DIMENSIONS OF THE WORLDWIDE MERGER BOOM
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The capstone of the worldwide merger activities of the 1990s occurred within the first five weeks of 2000 with the announced $165 billion planned purchase of Time-Warner by America Online and the $183 takeover of Mannesmann by Vodaphone AirTouch. Three other mega-mergers brought the total
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volume of merger activity in the same five weeks to more than half a trillion dollars. Although subsequent actions by European Union’s Competition Commission whittled down the size of several of these mergers, their overall volume is still impressive.
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Despite the reporting of particular mergers in the daily press, it is difficult to gain perspective on merger and acquisition (M&A) activities from such anecdotal evidence. And without a quantitative view of the dimensions of this process, we cannot begin to determine whether this merger movement will lead to a permanent change in the organization of industry.
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This essay has two purposes: to present data hitherto unavailable for various important dimensions
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of the merger tsunami in both the United States and abroad during the final two decades of the 20 century
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1 The other three mergers were SmithKline Beecham and Glaxo Welcome ($76 billion), Pfizer and Warner-Lambert ($92 billion) and Warner Records (part of AOL-Time-Warner) with the music division of EMI ($20 billion).
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2 These issues are explored in detail in Pryor [2001-a].
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3 The analysis is straightforward: The first section focuses briefly on the data base from which the
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basic information on mergers and acquisitions for 1985 through 1999 is drawn. The second section outlines some basic dimensions of the M&A boom both in the United States and abroad – the volume, average size, sectoral composition, and geographical distribution. The final section focuses on three issues: the short-run impact of such mergers on the changing size of enterprises
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The tables in this essay are calculated from a data base of mergers and acquisitions that is
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maintained by Thompson Financial Securities Data (TFSD). This commercial company collects information on publicly announced mergers and acquisitions in the world, using English and foreign language news sources, filings at the SEC and its international counterparts, trade publications, proprietary surveys of investment banks, law firms, and other sources. The M&A data cover corporate transactions involving at least 5 percent of the ownership of a company where the transaction is valued at $1 million or more (after 1992, deals of any value are covered) or where the value of the transaction was undisclosed. Both public and private transactions are included.
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From TFSD I purchased a listing of all M&A deals and their value as well as the names, SIC codes, and nationality of the companies involved for 1985, 1992, and 1999. In addition, I obtained from
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3 More information about the company, the data, and how the data can be obtained are presented on the TFSD webpages: www.investext.com or, more generally, www.tfsd.com
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them an aggregate time-series for the entire period from 1985 to the present. Aside from straightforward mergers and acquisitions, transactions included in this data base were purchases of large stakes, stock swaps, REIT acquisitions, asset sales and divestitures, leveraged buyouts, tender offers, spinoffs and splitoffs, and so forth. These data do not, however, contain information on joint ventures, strategic alliances, or other such arrangements that may act to decrease competition [see Pryor, 2001-a], nor on profits resulting from such mergers.
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Since I wished to focus on those transactions with a primary impact on the industrial structure, I adjusted the data on individual deals to eliminate the following transactions: apparent duplicates
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The data base is not ideal. Although TFSD began collecting these data in the early 1980s, the company is reasonably confident of the completeness of the data only for the 1990s. This means that the data for 1985 should be considered as a sample, rather than the full universe. Moreover, for roughly half of the merger deals, the value of the deal could not be determined, although it seems likely that these primarily involved smaller transactions and, as I show below, certain adjustments can be made to compensate for this problem. Finally, it is difficult to assess the accuracy of the information, especially the assigned SIC codes. Nevertheless, with suitable caution the data are usable for the purposes of this exposition.
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4 These aggregate series are roughly similar to the data from the company that are published in Statistical Abstract of the United States, 1999, Table 891.
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The key question is the volume of mergers and their trend. Table 1 presents data for three years on the total volume of mergers and acquisitions, measured in terms of total number of mergers, total number of mergers with available data on the value of the deal, and the total values of such mergers. I divide the mergers into four categories of transactions depending upon the nationality of the buying and the target companies.
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Aside from the total recorded value of the deals, I also estimate the total value of all deals This requires an assumption about the ratio of the average value of the unrecorded deals to the average value of the recorded deals in the target industry. Since it is the smaller deals whose values are often not widely known, this ratio is a fraction of the value of the deals with reported dollar amounts. I have arbitrarily assumed that in each of 15 different industrial sectors in each of the four different types of transactions (defined in terms of the nationality of the buyer and seller), the “critical ratio” of the value of the deals that are not announced is 1/6th of the value of the value of the deals that are announced
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Table 1: Worldwide Mergers in Three Years Listed by Nationality of Buyers and Targets
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Total Buying companies: US US Non-US Non-US
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Targets companies: US Non-US US Non-US
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Note: The sources and adjustment of the data are described in the text. The estimated values of all deals are made by assuming that for the 15 sectors for each of the four types of transactions, the average size of the transactions were equal to one sixth of the size of the recorded transactions of the target companies in the sector.
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7 in 1999, the estimated value would have been 5.5 percent lower or 16.4 percent higher if I had assumed
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the critical value to be respectively 1/9 or 1/3. Nevertheless, since I focus more on trends than on absolute values, this difference does not affect my major conclusions.
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The estimated total volume of mergers and acquisitions rises at an average annual rate of 20.8 percent over the 14 year period from 1985 through 1999. By using aggregate annual data (that do not
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include the adjustments I have made to the data) to interpolate between the benchmark years,this trend can be seen most dramatically in Chart 1. In interpreting such results, however, three upward biases of these data must be noted.
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* Both prices and the total capital stock were increasing during the period. More specifically, the current dollar value of net private, non-residential, reproducible fixed private capital rose at an average annual rate of 5.1 percent over the period.6
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* The ratio of the value of the merger deal to the actual value of the capital buildings and equipment involved also rose, given the billion dollar sales of dot.com shops with few tangible assets (and no profits) to established companies wishing to enter the internet market. For instance, in the early months of 2000 Amazon.com, which had accumulated losses of more than $1.2 billion and had never posted an annual profit, had a market value almost two and a half times larger than that of the highly profitable FedEx Corporation (FDX Corporation), even while its sales were less than one tenth of the latter [Anon, 2000-b].
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5 This series used for interpolation, provided by the TFSD, is roughly similar to that presented in Statistical Abstract 1999, Table 891.
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6 This is calculated from data drawn from tangible wealth estimates of the U. S. Department of Commerce, Bureau of Economic Analysis [http://www.bea.doc.gov/bea/dn2.htm].
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9 In more general terms, in recent years Tobin’s q ratio has been rising to historic heights in the last half
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century [Tobin and Sommers, 2000] and this, in turn, suggests that the the data on merger values is upwardly biased in terms of the replacement value of the underlying assets.
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* As noted above, as the company gathering these statistics gained experience, it missed fewer mergers, especially those occurring outside the United States, than during the 1980s.
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In 1999, total M&A activity involving US firms, either as a buyer or a seller, amounted to about 1.5 trillion dollars. For purpose of comparison, the net stock of fixed reproducible non-residential tangible wealth of the private sector (excluding consumer durables) amounted to roughly 9.6 trillion in the same
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year. Thus, the relative magnitudes of M&A activities are large, even given the upward biases of the data on the total value of deals. At least for the purchase of US firms by non-US enterprises, the process is fueled by the US deficit in its balance of payments.
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The merger process has a peculiar inner momentum. For instance, the $76 billion merger of SmithKline Beecham and Glaxo Welcome to form the world’s largest pharmaceutical company in January 2000 was driven in part by Warner-Lambert’s announcement several days earlier that it was talking merger plans with Pfizer, which would have, in turn, created the world’s largest drug company. [Sorkin and Peterson, 2000]. According to one stock analyst at that time, “In this era of merger mania, you don’t want to be the last company without a partner.” This suggests that the merger movement has had much of the inner dynamics of a middle-school dance.
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7 Statistical Abstract of the United States, 1999, Table 774. The datum in the text represents an extrapolation from data from 1996 and 1997.
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For assessing the impact of mergers on industrial concentration the size of the merger makes a considerable difference. If, for instance, small companies merge with each other, competition may be strengthened
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Such data have some pitfalls that deserve mention. We would certainly expect that the average size of merger transactions would vary considerably from year to year, depending on whether mega-deals occur. For 2000, for instance, the five mega-deals mentioned in the introduction will certainly considerably raise the average value of mergers. The difference between the median and average size merger provides some information about the size distribution of such merger deals. As noted above, the absolute magnitudes of the average total deals are sensitive to the assumption about the relative size of recorded and nonrecorded deals, even though the trends in these magnitudes are not greatly affected. Finally, in 1985, but not in later years, the merger data were truncated from below.
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Table 2 presents the relevant data on median and average size of both recorded and total merger deals. As expected, the estimates jump around a good deal. The medians declined slightly between 1985 and 1999, while the average size of both recorded and total deals increased The widening gap between average and median size of the deals reflects an increasing importance of the mega-deals that combine several very large companies.
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Furthermore, the mergers in the individual one-digit industries are increasing even more than twice as fast in average size as the overall averages reported in Table 2. For this estimate I weighted the average
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Table 2: Average Size of Merger Transaction
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Total Buying companies: US US Non-US Non-US
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Target companies: US Non-US US Non-US
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Median size of recorded deals (million $)
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Note: For sources and methods, see footnote to Table 1.
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deal values in 1999 in one-digit industries by the number of merger deals in 1985 and also the average deal values in 1985 in one-digit industries by the number of 1999 deals. The average size of recorded deals increased somewhat more than twice as much as that reported in Table 2
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Such results, combined with data presented below about the extent to which mergers have occurred in the same four-digit industries, reveal that in recent years merger activities have led to a considerable increase in industrial concentration.
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The results about average size of mergers when the relative number of deals is held constant mean that it is important to know in which sectors such a change in the organization of industry is occurring. As shown in Table 3, the sectoral distribution of mergers has considerably changed over time. For the merger targets, the share of purchases from the manufacturing and mining sectors has considerably decreased, while the purchases from the communications and the non-professional services sector have markedly increased. Of the buyers, the shares purchased by manufacturing and mining companies have considerably decreased, while the share of buyers from the communications field has greatly increased. In all other sectors, the share of total targets and buyers is relatively small. The same generalizations also hold when mergers are measured in terms of actual recorded values or number of mergers. Moreover, these generalizations also hold by and large for both the US-US and the non-US – non-US deals.
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The sectoral distributions of US purchase of non-US firms was different from the general pattern
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Table 3: Sector Composition of Total Estimated Value of Mergers
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Note: For sources and methods, see footnote to Table 1.
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because the deals were dominated by some large purchases in the mining and financial sectors in the mid 1980s. Purchases from the mining industry (which includes the petroleum industry) also played a large role in the purchase of US firms by non-US companies in the same period. This international consolidation of the mining sector, however, was played out by the late 1990s, when mining deals accounted for only a small percentage of total mergers. By way of contrast, in the late 1990s, consolidation in the banking sector had stepped up in the late 1990s and, for transborder mergers, the share of US purchases of non-US communication, utility, financial and service enterprises increased dramatically.
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4. Geographical Distribution of Buyers and Targets
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Although Table 1 shows a relative shift in the geographical distribution of merger activity from the US to foreign nations, it is useful to know whether such industrial concentration is occurring among industrial or developing nations. Table 4 presents more detailed data on the changing geographical distribution of targets and buyers.
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Most noticeably, the shares of both buyers or sellers accounted for by the US and Canada have noticeably decreased, while the share of mergers accounted for by other industrial nations in the OECD rose considerably. This means that the worldwide merger tsunami has become increasingly important among industrial competitors of the US from other economically developed nations. Outside the OECD nations, merger activity appeared relatively unimportant. For instance, in 1999 when looking at either buyers or targets, the share of merger deals outside of the OECD accounted for less than 7 percent of the total. Although this share of non-OECD merger deals rose between 1985 and 1992, it fell back in 1999. Nevertheless, in absolute terms the mergers involving nations outside the OECD greatly increased both in
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Table 4: The Geographical Distribution of the Recorded Value of Mergers
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Note: For consistency over the time period, the East European nations in the OECD are included in “rest of Europe” and Mexico is included in “Rest of the Americas.” For other notes and sources see footnote to Table 1.
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16 terms of volume and number.
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The data presented above provide quantitative evidence for the qualitative impressions gained from reading the financial press: No matter whether measured in terms of number or value, M&A activity has
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increased dramatically in the last 15 years of the 20 century, not just in the United States but in the rest of the world as well, especially in other OECD nations. The average size of mergers also increased dramatically, both in individual industries and for industry as a whole. The focus of mergers has shifted from a predominance in manufacturing and mining to other sectors, particularly communications, financial, and
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services. In brief, the last decade and a half of the 20 century has witnessed an important consolidation of the world capitalist system.
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C. Some Important Economic Implications of the Worldwide Explosion of Mergers 1. Short-run Impact on the Size of Firms
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A change in the size of the firm has some important effects. Various studies have linked enterprise size to degree of innovative activity, technological change, work satisfaction, absenteeism, wage inequalities (greater within large firms) and the receipt of government subsidies (because some firms are too large to be allowed to fail).
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Nevertheless, increased merger activity does not necessarily mean that average firm size has increased. For instance, White [ 1980] shows that between the 1950s and 1977, aggregate concentration in various industries reached a peak in the mid and late 1960s and then either tapered off (manufacturing, banking, or all non-financial corporations) or remained relatively constant. My own estimates for 1958
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through 1992 [Pryor, 2001-b] provide additional evidence on this point for all non-agricultural enterprises.8 Obviously the relationships between M&A activity and various measures of aggregate concentration are not tight, because such activity can consist of firms buying other firms, while selling parts of their own firms at the same time.
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Previous merger booms in the U. S. reveal cycles of roughly equal magnitude (measured in terms of number), with peaks around 1900, 1929, 1963, and the early 1980s [Golbe and White, 1993]. The US merger boom from 1985 to 2000 was, however, somewhat different: It followed very closely the boom in the early 1980s, its magnitude was much greater than previous booms in the past, and the simultaneous buying and selling of parts of firms did not appear so important.
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As a result, enterprise size measured both in absolute and relative terms increased between 1992 and 1997. More specifically, a special tabulation of employment size of enterprises from the 1997 Census of Enterprise shows definite increases between 1992 and 1997 in average domestic employment of enterprises over 19 workers, a Florence median, and the average number of employees in the largest 100 or 1000 enterprises, as well as in terms of the percentage of employees in firms over of 1000 or 1000. Such results appear to reflects the impact of the merger boom of the 1990s [Pryor, 2001-b] . If the foreign labor force of US firms are included in the calculations, this conclusion of increasing enterprise size is reinforced. This result reflects, of course, the well-known tendency of large US firms to grow faster abroad than at home [Leonard, 1976]. In Europe, the situation was even more striking: since the early 1960s the
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employment size of large industrial firms has been steadily increasing up to the end of the 20 century.
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8 Leonard [ 1976] shows an increase in size from 1955 through 1974, but his data include foreign as well as domestic employment of large firms. Aspects of this issue receive attention below.
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2. Short-run Impact on Market Concentration
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The extent to which firms are merging with other enterprises in the same or different industries can be readily determined by comparing the four-digit SIC codes of the buying and target firms. For such an exercise it is useful to distinguish the primary and the various secondary SIC codes, even though in many cases the determination of the primary SIC code raises some difficulties. The relevant data for such an analysis are contained in Table 5.
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The maj or conclusion can be concisely stated: In value terms, roughly two-thirds to three-fourths of all mergers with recorded deal values in the three benchmark years are within the same SIC industry. In 1999, 43.7 percent of mergers were between firms with the same primary SIC codes Measured in terms of number, the share of mergers between firms with the same SIC codes was about half, which provides more evidence that the mergers involved large companies. In brief, horizontal mergers seemed to dominate
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M&A activity in the last 15 years of the 20 century. This is yet another way that the merger boom after 1985 was unique since in previous years, conglomerate or vertical mergers seemed to dominate. For instance, Leonard [ 1976] showed that between 1960 and 1973, merger activity had no significant impact on market concentration.
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The data in Table 5 also provide several surprises. Contrary to expectations, horizontal mergers comprised a somewhat higher share of total mergers in the US than abroad (the US-US mergers). I expected that because antitrust enforcement has been tougher in the US than in most other countries, US companies would be more wary of such mergers. Moreover, firms in many non-US countries face a more regulated business environment, so that more specialized expertise in this regard is required of business
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Table 5: Share of Mergers Within the Same Four-Digit SIC Industries
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Buyer-target Primary- Primary Secondary- Total
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primary secondary secondary Measured in Terms of Recorded value
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Measured in Terms of Number of Mergers with a Recorded Value
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Note: For sources and methods, see footnote to Table 1.
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managers. Thus, it might seem as though such cross-industrial mergers would be more risky outside the US.
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Several answers to this puzzle are possible. First, many of the horizontal mergers occurring in the US are between firms in the same industry but in different markets, for instance, between banks dealing with geographically distinct markets, and such mergers are generally not subject to antitrust action. Second, because antitrust authorities have turned away from simple per se rules about ostensible market shares and are employing more sophisticated criteria – including international competitiveness – constraints on mergers arising from the possibility of antitrust action have been. loosened. Third, US antitrust authorities have become more lax in their enforcement of current laws, in part because of budgetary constraints, in part because cross-border mergers are not considered worrisome. Finally, considerable deregulation has occurred abroad, especially among many OECD nations, so that the regulatory difficulties in cross-industry are much less severe than formerly.
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Another surprise occurs because it would seem likely that horizontal mergers occurring across national lines would be in the same industry, because this would reduce the risk of entering a new industry in a different nation. For non-US companies buying US firms, such an expectation is certainly met. Nevertheless, for US companies buying companies abroad, the share of such horizontal mergers is slightly below those of US firms buying other US firms. This puzzle is difficult to explain.
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The increased industrial concentration that seems to be occurring as a result of these mergers is disturbing, because it suggests that market competition may decrease as well. Further, imports may serve as less of a competitive force in the US economy, either because the “foreign” enterprises exporting to the US are owned by US firms or because industrial concentration among these non-US exporters is greater. Further exploration of this issue would, unfortunately, take us too far afield from the focus of this brief
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An important aftermath of the conglomerate merger boom in the 1960s and 1970s in the US was a divestment of many of these purchases as enterprises turned back to their core businesses (“back to basics”). Given that a large share of the M&As in the current merger boom are horizontal, the probability of future divestment seems less.
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In many cases where the two merged firms are producing the same product, there may be no obvious way of splitting the firm, especially if the two parts were closely integrated. Indeed, in many cases the major purpose of the merger was to gain market share so that the managers would not want to divest part of the firm, holding the long-run hope that eventually the firm will be highly profitable. When divestment occurs in troubled horizontal mergers, the unrelated parts of the firm are often the first to be divested, not the core business. For instance, in the latter part of the 1990s Aetna Insurance bought a number of other insurance firms including U. S. Healthcare ($8.9 billion), New York Life, NYL-Care ($1.1 billion) and Prudential HealthCare. ($1 billion). These mergers did not prove successful and, after turning down several offers of purchase, the company began in early 2000 to split the firm into two separate companies, one
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focusing on health care and the other on financial services. In such a divestment, the increased market share of the mergers would be maintained.
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Several long-term factors, however, seem likely to nullify some of the short-term anti-competitive
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9 It is noteworthy that in 2000, Aetna-U. S. Healthcare was a target of takeovers by other insurance companies, who were offering a price for the entire company that was less than what Aetna paid for its acquired parts a few years before.
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aspects of the current merger boom.
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* Many of the mergers were carried out quickly and for allegedly defensive purposes. As a result, a considerable number of these mergers may founder in the future. Indeed, some of these mergers were between enterprises with weak market positions because of the lack of new products, either at the time of the merger or in the pipeline. In such cases, it is doubtful whether increased size will solve these problems. For instance, among the world’s 18 largest pharmaceutical companies, 11 out of the 12 companies which experienced mergers lost (combined) market share between 1990 and 1998, while all six of the companies which had not merged gained market share [Anon, 2000-a]. Similar difficulties have appeared in other mergers.10
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* To the extent that smaller firms are more innovative, the long-run market share of these giant firms may erode.
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As I show elsewhere [Pryor, 2001-a], concentration ratios in the United States fell from the early 1960s up to the early 1980s and then began to increase. In the coming decade they seem likely to continue to increase further. Furthermore, even when concentration ratios are recalculated to add imports to total shipments in order to take crudely into account the impact of foreign competition, these trade-adjusted
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10 For instance, rail mergers have proven difficult and have resulted in freight delays and deterioration in other services. As a result of these problems, two years after their 1998 shared purchase of most of Conrail, the combined market valuation of CSX and Norfolk Southern fell below the price that they had paid for Conrail. Despite such problems, in late 1999 Burlington Northern and Santa Fe Railway announced merger talks with the Canadian National Railway (which had been denationalized less than a decade before). Such actions led the CEO of the remaining large railroad in the U. S., the Union Pacific, to declare: “Our customers think we’re nuts to start a new round of mergers today.” [DePalma, 2000]. The Surface Transportation Board evidently agreed and in March 2000 declared a 15 month moratorium on all railroad mergers.
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concentration ratios increased after the early 1980s. The merger boom seems to be the underlying cause.
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The data provided above on the high degree of horizontal transatlantic mergers, not to mention horizontal mergers occurring where both enterprises are located abroad, provides support for the possibility that increased foreign trade may not provide the same competitive impulse that it provided in the past. For instance, it is not correct to argue that competition in the auto industry has increased because the import share is now larger than in the past, because the imports of Mercedes, Volvo, and Saab automobiles are now part of the product lines respectively of Chrysler, Ford, and GM. Recent purchases by US auto companies of large shares of Japanese auto makers (for instance, DaimlerChrysler’s purchase of a controlling interest of Mitsubishi Motor Corporation) makes this situation even worse.
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In brief, if the world merger boom of the 1990s continues into the new millennium and if horizontal divestments do not increase in a spectacular manner, as seems likely, industrial concentration will increase both in the US, in other OECD nations, and in the world as a whole.
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Anon. 2000-a. “The New Alchemy,” Economist, January 22: 61 – 2.
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Anon. 2000-b.”What’s An Old-Line CEO to Do?” Business Week, March 27, pp. 38-9.
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Golbe, Devra L. and Lawrence J. White. 1993. “Catch a Wave: The Time Series Behavior of
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Mergers,” Review of Economics and Statistics 75, Bi, 3 (August): 493 – 99.
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DePalma, Anthony. 2000. “Board Hear Wide Opposition to U. S.-Canadian Rail Merger,” New York
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Leonard, William N. 1976. “Mergers, Industrial Concentration, and Antitrust Policy,” Journal of
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Economic Issues 10, Number 2 (June): 354 – 82.
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Pryor, Frederic L. 2001-a. “The Past and Future of Industrial Concentration,” Review of Industrial
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Organization, forthcoming.
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—. 2001-b. “Will Most of Us be Working for Giant Enterprises by 2028?,” Journal of Economic
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Behavior and Organization, forthcoming..
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Sorkin, Andrew Ross and Melody Petersen, “Glaxo and SmithKline Agree to Form Largest Drugmaker,” New York Times, January 17, 2000.
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Tobin, James and Dan Sommers. 2000. “Explanation of Revised Estimates of Tobin’s “q” Ratio, 1950 – 1997,” unpublished paper.
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White, Lawrence J. 1981. “What Has Been Happening to Aggregate Concentration in the United States,” Journal of Industrial Economics 29, No. 3 (March): 223 – 30.
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