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41.
We consider the problem of finding a model‐free upper bound on the price of a forward start straddle with payoff . The bound depends on the prices of vanilla call and put options with maturities T1 and T2 , but does not rely on any modeling assumptions concerning the dynamics of the underlying. The bound can be enforced by a super‐replicating strategy involving puts, calls, and a forward transaction. We find an upper bound, and a model which is consistent with T1 and T2 vanilla option prices for which the model‐based price of the straddle is equal to the upper bound. This proves that the bound is best possible. For lognormal marginals we show that the upper bound is at most 30% higher than the Black–Scholes price. The problem can be recast as finding the solution to a Skorokhod embedding problem with nontrivial initial law so as to maximize . 相似文献
42.
We use loan‐specific data to document a significant inverse relation between a firm's dividend payouts and the intensity of a firm's reliance on bank loan financing. Banks limit dividend payouts to protect the integrity of their senior claims on the firm's assets. Moreover, dividend payouts decline in the presence of monitoring by relationship banks, which acts as an effective governance mechanism, thereby reducing the gains from precommitting to costly dividend payouts. Bank monitoring and corporate governance (insider stake and institutional block holdings) are complementary mechanisms to resolve firm agency problems, both reducing the firm's reliance on dividend policy. 相似文献
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The Role of Multinational Firms in the Wage-Gap Debate 总被引:2,自引:0,他引:2
The observation of an increase in the ratio of skilled to unskilled wages in the high-income countries and in some cases in low/middle-income countries has led to considerable discussion and controversy as to its cause. Virtually none of the analyses have considered a role for multinational investment in explaining the wage-gap phenomenon. This paper adapts the authors' earlier work to consider what role multinationals might play in factor markets. It identifies circumstances under which investment liberalization is likely to raise the wage gap in both the skilled-labor abundant and the unskilled-labor abundant country. 相似文献
46.
This paper explores asset pricing in economies where there is no direct insurance against idiosyncratic risks but other assets can be used for self-insurance, subject to exogenously-imposed borrowing limits. We analyze an endowment economy, based on Huggett (1993) [11], both with and without aggregate risk. Our main innovation is that we obtain full analytical tractability by studying the case with “maximally tight” borrowing constraints. We illustrate by looking at riskless bonds, equity, and the term structure of interest rates, and we show that the model can reproduce many features of observed asset prices when idiosyncratic risks are quantitatively reasonable. 相似文献
47.
This paper considers the use of value capture (VC) as a means of financing public‐private partnerships (PPPs) in the United Kingdom (UK). Although some VC techniques are used in the UK, they are employed more widely in the United States of America. After considering the traditional approach to financing UK PPPs, this paper describes the main VC finance instruments. The findings of a series of case studies are then presented and conclusions drawn. While VC financing may prove unpopular with those bearing the cost of infrastructure improvements, it is recommended that such instruments are considered by UK policy makers. 相似文献
48.
We use historical publications and micro data from tax returns to construct internationally comparable estimates of the development in income inequality in Denmark over the last 140 years. The study shows that income inequality and top income shares have declined during several distinct phases in between periods of stability. Furthermore, the quality of the Danish data allows us to analyse not only the development in top income shares but also broader inequality measures such as the Gini coefficient. These analyses show that top income shares are a good proxy for the underlying development in inequality. 相似文献
49.
Aside from immigration, the only meaningful demographic lever available to policymakers attempting to moderate the rate of ageing is the birth rate. This article departs from previous analyses of pro‐natal policies by studying determinants of pro‐natal options ex ante, which represents an advantage for policymakers looking to craft policies with prior knowledge of whether or not a demographic policy will have a significant effect. Our multinomial regression model for a US sample involving college students shows that the preferred choice of pro‐natal incentive is dependent on gender, economic class, number of planned children and migrant status. We find that females are more likely than males to choose any pro‐natal incentive over no incentive. The highest odds for increasing planned number of children are for maternity leave and parental leave options. Respondents associating themselves with the poorest economic class are more likely to choose daycare or government grant as pro‐natal options. 相似文献
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