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91.
This article consists of two parts. The first is a theoretical linkage of the risky performance of food production with the risky incomes of consumers, especially poor people, to result in what is termed “food risk”. The second features some empirical estimates intended to illustrate and quantify these conceptual risks.  相似文献   
92.
The impact of random early termination on the interest rate elasticity and the related implications of hedging a mortgage security are examined. The common approach to computing duration using average mortgage life is shown to be biased and insufficient. Because the prepayment distributions of mortgages tend to have wide dispersions, substantial errors result from using average mortgage life. These results are also applicable to other financial obligations subject to prepayment.  相似文献   
93.
What is the authority of the ‘expert’? Dr Anderson contrasts his proper function in disseminating information about diets with his improper aspiration to the power to prohibit ‘undesirable’ eating.  相似文献   
94.
    
The agricultural sector's share of gross domestic product (GDP) in growing economies typically declines but, for a century from the early 1850s, Australia's did not. Drawing on recent structural transformation literature, this paper seeks explanations for this unusual phenomenon, which is all the more striking because agriculture's share of employment continued to decline throughout and growth in manufacturing was being stimulated by tariff protection from imports. Several factors contributed, including a huge land frontier that took more than a century for settlers to explore, rapid declines in initially crippling domestic and ocean trade costs for farm products, the absence of a need to do any processing of the two main exports during that period (gold and wool) and innovations by farmers and via a strong public agricultural R&D system that contributed to farm labour productivity nearly doubling over those 10 decades. The ban on iron ore exports from 1938 and low export prices for fuels, minerals and metals during the two world wars and in the intervening decades also contributed.  相似文献   
95.
    
State Medicaid home- and community-based waiver programs for persons with AIDS (PWAs) were implemented with the expectation that PWAs would use these services in lieu of more expensive hospital-based care. If so, Medicaid spending per PWA should decline, and program costs fall. We analyze Florida Medicaid claims data for PWAs from December 1995 through December 1997 to determine how participation in the waiver program affects the use of inpatient services, the receipt of antiretroviral combination therapies (available to Medicaid recipients throughout the study period), monthly expenditures, and survival of PWAs. We find that waiver participants are more likely to receive combination therapies but less likely to use hospital-based care than nonparticipants; white men and sicker patients are more likely to join the waiver program than other eligible PWAs; monthly expenditures for waiver participants are 52% lower than for nonparticipants; and waiver participation does not affect survival.  相似文献   
96.
Tracing the income patterns of individual farm operators whose major source of income is generally derived from farming indicates that off-farm income is becoming an increasingly important income component. The relative importance of off-farm income has nearly quadrupled during the last 20 years, rising from about 10 percent of total income to about 37 percent of total income. Most of this off-farm income can be traced to wages and salaries. These fractions are heavily dependent upon relative income levels. In 1970, very low income farmers posted an aggregate net farm loss whereas the $15,000 - $20,000 class secured about three-quarters of their total income from farm sources. In this same year, wages and salaries were generally the prime off-farm income source for farmers with an assessed income of less than $20,000. Dividends and interest were more important to farmers with an income in excess of $20,000. These differences are faithfully reflected in the regional compilations. As a percent of total income, off-farm income ranged from 41 percent in Ontario to about 29 percent in Quebec. The composition of off-farm sources also varies considerably between regions. In 1970 the income position of taxable unincorporated farm operators (who relied on the farm for their major source of income) remained relatively unfavorable. These farmers still had one of the lowest average incomes of any major occupational class in Canada, with an income distribution which was relatively equally distributed between income classes and not unlike that of the national average. These assessed income statistics, of course, are not necessarily indicative of the welfare position of the respective occupational classes. The calculations conducted are simply illustrative of how income tax statistics can be utilized to facilitate our understanding of the income structure in primary agriculture today. The exercise simply underlines the observation that: The fact that there are conceptual differences between income tax data and other data sources should not detract from the usefulness of the income tax data …. Income tax statistics can stand as an independent data source for the analysis of a variety of issues [13]. For many purposes the tax definition of a farm operator may be more operational than the concept of a farmer as defined in the Census of Agriculture. We might profit considerably from further analyses which attempt to disaggregate Census farms into more homogeneous farm-types using the tax statistics available.  相似文献   
97.
The authors have previously developed and described a decision tree model for addressing cross-cultural ethical conflicts. The model is intended to provide an ethically sound yet pragmatic tool for decision makers facing such situations. This paper presents the results of an empirical test of the model in an educational setting with a sample of business students. Students trained to use the model demonstrated significantly more flexibility and appropriateness in their decisions on case scenarios than those who were not trained. The implications for use of the model in educational settings and recommendations for future research are discussed.  相似文献   
98.
    
We construct a model of the housing market in which agents differ in their flow values while searching. Agents enter the market relaxed (with high flow values) but move to a desperate state (low flow values) at a Poisson rate if they have not already transacted. We characterize the equilibrium steady‐state matching pattern and the joint distribution of price and time to sale (for sellers). The expected price conditional on time to sale falls with time spent on the market, whereas the conditional variance of price first rises and then falls with time on the market.  相似文献   
99.
100.
Greg Anderson 《The World Economy》2017,40(12):2937-2965
In the short history of the US bilateral investment treaty (BIT) programme, there have been no instances of dispute settlement cases initiated against the United States by firms from BIT countries. The NAFTA experience changed that. Where other studies have only hinted at the reasons for NAFTA controversies, this paper makes clear three causal factors: (i) changing patterns and intensity of FDI, (ii) the application of those rules to developed countries amid those changing FDI patterns and (iii) ambiguities in ISDS rules themselves. The paper explores these and traces the ways in which lessons of the NAFTA have been instrumental in changing the pursuit of investment protection agreements. BITs used to be uncontroversial, but the NAFTA focused attention on reforms to ISDS that maintain the utility of BITs in the governance of FDI, without creating a legal structure for simply challenging the state.  相似文献   
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