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101.
In this paper, we extend earlier work on hedging models so that uncertainty about both deposit supply and loan demand is incorporated as well as random rates of return on loans and CD's. Our model suggests that the optimal forward position is the sum of three ratios that should be estimated simultaneously. Using bank-specific data, the optimal hedge ratios are estimated in both the pre-deregulation and deregulation subperiods. Our results show that previous studies of bank hedging with interest rate futures have greatly overstated (a) the volume of short futures positions that banks should take and (b) the degree of homogeneity of optimal hedge ratios across the banking system. Similarly, deregulation has not uniformly affected the interest rate risk borne by different institutions. 相似文献
102.
Antitrust law distinguishes vertical and horizontal restraints. A horizontal restraint is one which exists between competing firms supplying rival products in a market, and a vertical restraint is one which exists between firms that jointly contribute to supplying a particular product in a market. Horizontal agreements receive much closer antitrust scrutiny because they often enable firms to limit competition at the expense of consumers, while vertical restraints may be legal or illegal depending on whether they tend to enhance or reduce competition or the exploitation of market power. This paper argues that there are important vertical restraints that operate in sports leagues which have been mostly neglected in the literature but have a significant impact. We focus on intraleague restraints, where member clubs of a league agree to control the organization of league competition, and interleague restraints, where horizontal agreement such as the Reserve Clause relies on agreements not to compete for players competing in senior or junior leagues. ( JEL L83, L42, L44) 相似文献
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STEPHEN H. PENMAN 《Abacus》2010,46(2):211-228
Valuation involves forecasting payoffs and discounting expected payoffs for risk. Forecasting is often seen as the province of the statistician, risk determination the province of asset pricing. This paper elaborates on the idea that financial forecasting, risk determination and valuation are a matter of accounting. Accounting not only provides information to forecast payoffs but also specifies the payoffs to be forecasted. Further, accounting determines the transition from the present to the future and thus implicitly the evolutionary parameters that a statistician might estimate for forecasting. Accounting also bears on risk determination in the way it handles uncertainty. Accordingly, accounting is involved in both the numerator and the denominator of a valuation model. Indeed, a valuation model is a model of accounting for the future, and the effectiveness of a valuation model rides on the accounting principles employed. 相似文献
106.
This paper presents empirical evidence that trading in options contributes to both transactional and informational efficiency of the stock market by reducing the effect of constraints on short sales. The significantly higher average level of short interest exhibited by optionable stocks supports the argument that options facilitate short selling. We also find significant effects on option prices, related to the short interest in the underlying stock. We then present evidence that options also increase information efficiency. Earlier work, that is replicated and extended here, has suggested that short sale constraints cause stock prices to underweight negative information. Options appear to reduce that effect. 相似文献
107.
STEPHEN J. FALLOWS 《International Journal of Consumer Studies》1986,10(2):111-126
This paper reviews the development of food legislation in Britain. Two case studies relating to the legislation applying to bread and margarine are included. Five different sets of interest groups are identified as contributors to the establishment or amendment of compositional regulations. 相似文献
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This study measures the effects of the Marathon/Ashland Petroleum (MAP) joint venture on rack and retail reformulated (RFG) gasoline prices in the four cities where both firms sold RFG before the joint venture. MAP was an early transaction in the recent era of petroleum mergers and resulted in large regional increases in concentration. While wholesale (rack) prices increased in the two cities experiencing the largest change in market structure in the year following the transaction, retail prices did not increase. Our results also highlight the importance of identifying the marginal source of supply in correctly identifying merger effects. 相似文献
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