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排序方式: 共有571条查询结果,搜索用时 31 毫秒
61.
The paper presents an econometric model of dynamic agricultural input demand functions that include research based technical change and autoregressive disturbances and fits the model to annual data lor a set of stale aggregates pooled over 1950-1982. The methodological approach is one of developing a theoretical foundation for a dynamic input demand system and accepting state aggreage behavior as approximated by nonlinear adjustment costs and long-term profit maximization. Although other studies have largely ignored autocorrelation m dynamic input demand systems, the results show shorter adjustment lags with autocorrelation than without. Dynamic input demand own-price elasticities for the six input groups are inelastic, ami the demand functions possess significant cross-price and research effects.  相似文献   
62.
This paper concerns the analysis of farmers' goal trade‐offs using a series of representative dairying and beef/sheep farm models. The models employ an adaptive feedback structure and expectations model to track adjustment processes over a seven‐year planning horizon, 1991/92 to 1997/98. Model solutions, under a conventional profit maximising objective function, and using a weighted goal programming formulation, under a series of empirically specified alternative goal orientations, are examined and compared. The paper identifies significant variation among farm families in terms of ability to attain key goals concerning farm profitability, family consumption, farm investment, growth and cash flow. The results quantify the trade‐off between family consumption and farm investment/growth goals.  相似文献   
63.
We examine the usefulness and credibility of analyst recommendations by focusing on their behavior surrounding tender offer announcements. For our 1998–2001 sample, we find analysts did not identify takeover targets through their recommendations nor did they distinguish between wealth‐increasing and wealth‐decreasing tender offers. We find some evidence of conflicts of interest in analyst recommendations, but it is confined to the 1999–2000 dot‐com period. However, the long‐run performance following recommendations suggests that these conflicts have little ultimate cost to investors.  相似文献   
64.
65.
Coordination problems arise in a multitude of economic interactions.Recent advances in the field of game theory have shed new lighton these problems and the ways in which they might be analysed.This issue of the Oxford Review of Economic Policy first examinessome of the theoretical dimensions to this literature, as wellas some empirical and experimental insights. It goes on to applysome of these ideas to a number of important policy areas, includingmacroeconomic policy coordination, public good provision, andproblems of political coordination.  相似文献   
66.
This article examines the impact of public agricultural research and extension on agricultural total factor productivity at the state level. The objective is to establish whether federal formula or competitive grant funding of agricultural research has a greater impact on state agricultural productivity. A pooled cross-section time-series model of agricultural productivity is fitted to annual data for forty-eight contiguous states over 1970–1999. Our results show that public agricultural research and agricultural extension have statistically significant positive impacts on state agricultural productivity. In addition, Hatch formula funding has a larger impact on agricultural productivity than federal competitive grant funding, and a reallocation of Hatch formula funds to competitive grant funding would lower agricultural productivity. This seems unlikely to be a socially optimal policy. Furthermore, from a cost–benefit perspective, our study shows that the social marginal annualized real rate of return to public resources invested in agricultural research is 49–62%, and to public agricultural extension, the rate is even larger.  相似文献   
67.
We propose that high‐quality corporate governance may mitigate agency costs related to value‐destroying investments in stakeholder management (SM). Using an unbalanced panel of 9,051 firm‐year observations for 1,631 firms, we find that deviations from expected stakeholder management (ESM) are increasing in chief executive officer (CEO) portfolio delta. We find, however, that deviations from ESM are negatively related to proxies for effective board monitoring. We also document that the effect of governance mechanisms varies by industry (consumer or industrial orientation) and SM dimension. The results indicate that corporations with good governance pursue shareholder value maximization while constraining unnecessary investment in stakeholders.  相似文献   
68.
We address how mutual funds vote on shareholder proposals and identify factors that help determine support of wealth-increasing shareholder proposals. We examine 213,579 voting decisions made by 1799 mutual funds from 94 fund families for 1047 shareholder proposals voted on between July 2003 and June 2005. In an analysis of voting across funds within the same fund family, we find significant divergence in voting within families, emphasizing the importance of focusing on voting by individual funds. We also find that, in general, mutual funds vote more affirmatively for potentially wealth-increasing proposals and funds' voting approval rates for these beneficial resolutions are significantly higher than those of other investors. Our results suggest that funds tend to support proposals targeting firms with weaker governance. We also find that funds with lower turnover ratios and social funds are more likely to support shareholder proposals. Finally, fund voting approval rates significantly impact whether a proposal passes and whether one is implemented.  相似文献   
69.
I argue that monetary economics should be pursued by applying implementation theory to models which contain explicit frictions that make money essential. The argument has two parts. First, I argue that models in which real balances are assumed to be productive—models with money in utility or production functions or with cash-in-advance constraints—contain hidden inconsistencies. Second, I argue that the approach advocated is capable of providing new insights about some of the main issues in monetary economics: the effects of monetary shocks, the welfare cost of inflation, and the roles of inside and outside money.  相似文献   
70.
Bruce Tonn  Angela Hemrick 《Futures》2006,38(7):810-829
This paper reports the results of a web-based survey concerning how people think about the future. Five hundred and seventy-two people from 24 countries completed the survey. The results indicate that when the respondents hear the word ‘future’, they think about a point in time 15 years into the future, on average, with a median response of 10 years. Respondents think less about the future than the present. On the other hand, they tend to worry more about the future than the present. Respondents’ ability to imagine the future goes ‘dark’ around 15-20 years into the future. Most of the respondents are optimistic about the near term, but become more pessimistic about the longer term. Respondents believe that humankind is not acting very responsibly with respect to a whole host of environmental and social issues but is acting responsibly with respect to technology. Almost half of the respondents would not wish to have been born in the future. Most of the other respondents would have preferred to have been born 50-500 years into the future. Approximately 45% of the sample believes that humankind will become extinct. The data suggest that Christians are more optimistic and less worried about the future and do not believe that we will become extinct. Males worry less but also think more about the future. There is a strong correlation between thinking about the future, clearly imagining the future, and being optimistic about the future. It is concluded that individuals have diverse and rich conceptions about the future but that they think less about the future than futurists might hope. Individuals’ considerations of the future are highly influenced by their identities and worldviews. Future research should focus on better unraveling these relationships and on understanding their implications for futures-oriented policy making.  相似文献   
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