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61.
Almost every theory of human behavior is based upon some assumption of rationalty. Such an assumption is commonly believed to be necessary in order to distinguish rational behavior, which is, from non-rational behavior, which is not amenable to scientific investigation. This article presents a thorough re-examination of this assumption, an inquiry which turns out to raise all the central issues of both the methodology and the theory of behavioral inquiry generally. It leads to the somewhat surprising conclusion that the notion of rationality does not have any meaningful role to play in behavioral inquiry, and that there is no sense in distinguishing rational from non-rational or irrational behavior. It also shows that the generalization of the utility notion in terms of information makes it into a much more powerful and subtle tool of analysis than it commonly appears to be taken for.  相似文献   
62.
This note reports the results of a survey of firms operating in Britain concerning the impact on their costs and operations of the Social Action Programme. We find that the realised and anticipated adverse impacts of the legislation are rather limited, although both do appear to be greater for firms which are relatively large, skill intensive, and which have a substantial amount of trade with other EU countries. In particular, the survey results provide little evidence to suggest that the imposition of a minimum wage of £3.50 per hour would have a substantial adverse impact on employment. Evidence does, however, suggest that firms which pay relatively low wages are likely to be affected more than others by the legislation.  相似文献   
63.
Drawing upon the innovative milieux and industrial districts literature, the paper provides substantial empirical evidence that firms have a greater chance of being innovative if they co-operate with other firms over innovation, albeit undertaking no investment in RLD. This is an important result especially for small firms. In particular, the paper focuses on inter-firm cwperation along the supply chain, using a swey of firms in the West Midlands to investi-gate co-operation over innovation between suppliers and buyers. A probit model is used to test the link between innovation performance and four innovation inputs: R&D expenditure, R&D personnel, networking with suppliers and networking with client firms.  相似文献   
64.
Many companies experience difficult situations as a result of their selected strategy. Strategic management theories implicitly assume that companies have a free choice in setting their strategy. Hence, when companies experience difficult situations this is because of management inadequacy. It is questionable whether companies always have a free choice. This research examines this issue by examining the new product strategies of the two main competitors in the commercial aircraft industry. The development of the A380 aircraft was selected to determine to what extent the companies had a choice in setting their product development strategies. The conclusion is that neither has the alleged freedom for setting its strategy. Implications of this finding are that the strategy theory needs to be adjusted for this choice issue, and that management should not always be held fully responsible for the developing events.  相似文献   
65.
In the information technology (IT) industry, which confronted a major transition phase during the 1990s, partnerships became a strategic component of the new ‘divided technical leadership’ that emerged from the industry's vertical disintegration. This paper attempts to evaluate the impact of 1676 partnerships on the financial performance (revenue and profit) of 14 large firms and 725 of their partners. On average, there is a positive impact of collaborative agreements on large incumbents and their partners' financial performance. These results vary according to the type, form and content of the agreement and according to the partner's field of activity. Incumbents get the most benefit from broad informal alliances while smaller and more hierarchical forms of partnerships (consortia, joint-ventures) do profit to their partners. For large incumbents, partnerships are more effective with partners from the services industry than with partners from the IT industry.  相似文献   
66.

The methodological positions of Hayek and Keynes contain striking similarities. Both authors opposed empiricist approaches to economics that assign priority to mere observation as the source of knowledge. Both emphasised intentionality, motivation and human agency. Notwithstanding this common ground, they had different conceptions of how beliefs are formed and had different explanations of thought and action in economics. Hayek grounded his explanation on an evolutionary theory of the mind, i.e. on psychological premises, whereas Keynes based his view of belief formation on probable reasoning, where probability is a logical concept. Starting from psychological premises Hayek maintained that individuals act rationally only by following rules. As a consequence, he considered conventional expectations to be the primary guide for agents in economic life. Keynes agreed that conventional expectations actually guide economic behaviour, but he maintained that they are justified only in situations of total ignorance. In conditions of limited knowledge, agents can base their action on reasonable expectations, independently of conventions. Moreover, agents?particularly those institutions responsible for economic policy?ought to shun conventional behaviour in order to counteract its negative social consequences. We argue that Keynes's theory of expectations is well grounded upon his theory of logical probability. Hence his advocacy of discretionary policy is rationally justified.  相似文献   
67.
The Exchange Rate and its Fundamentals in a Complex World   总被引:2,自引:0,他引:2  
We develop a nonlinear exchange rate model with heterogeneous agents. Some agents adopt a “fundamentalist” forecasting rule, while others use a “chartist” forecasting rule. We show that the model is capable of explaining the empirical puzzles relating to exchange rate movements. In particular, the model explains the “exchange rate determination” and PPP puzzles, the excess volatility, and fat tails in exchange rate returns.  相似文献   
68.
We build on our earlier model of money in which bank liabilities circulate as a medium of exchange. We investigate optimal bank behavior and the resulting provision of liquidity under a range of central bank regulations. In our model, banks issue inside money under fractional reserves, facing the possibility of excess redemptions. Banks consider the float resulting from money creation and make reserve‐management decisions that affect aggregate liquidity conditions. Numerical examples demonstrate positive bank failure rates when returns to banking are low. Central bank interventions may improve banks' returns and welfare through a reduction in bank failure.  相似文献   
69.
During the 1990s, foreign direct investment flowed into Latin America at an unprecedented rate. Capital inflows associated with privatizations and private mergers and acquisitions (M&As) rose steeply. Drawing on original firm–level transactions data, this article examines the extent to which UK enterprises participated in the Latin American privatization and private M&A boom. The authors conclude that, relative to their counterparts in many other major industrial countries, UK enterprises adopted a cautious stance, largely eschewing privatization opportunities and concentrating M&A activities on relatively few operations, sectors and countries, in order to strengthen product and market positions. Moreover, the strategic logic guiding the most important corporate acquisitions centred on gaining access to domestic markets rather than attempting to create global export platforms.  相似文献   
70.
We apply the collective consumption model of Browning et al. (2010) to analyse economic well-being and poverty among the elderly. The model focuses on individual preferences, a consumption technology that captures the economies of scale of living in a couple, and a sharing rule that governs the intra-household allocation of resources. The model is applied to a time series of Dutch consumption expenditure surveys. Our empirical results indicate substantial economies of scale and a wife's share that is increasing in total expenditures. We further calculated two sets of poverty rates: one based on the collective consumption model and one based on the traditional approach with a standard equivalence scale. Poverty among widowers is underestimated by the traditional approach. The same is true for women (men) in elderly couples for the first (later) time periods in our analysis. Finally, we analysed the impact of becoming a widow(er). Based on cross-sectional evidence, we find that the drop in material well-being following the husband's death is rather substantial for women. For men, the picture is reversed.  相似文献   
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