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61.
The minimal computational requirements of the linear embedding techniques initiated by Davidson and MacKinnon (1981) accommodate multiple and binary tests of autoregressive, non-nested regression models with different dependent variables. The small sample adjustments of Fisher and McAleer (1981) effectively reduce the size of the P-tests for our models. Our application to transactions demand for money models supports the Holmes and Smyth (1972) hypothesis that pre-tax variables are preferred to GNP in M1 money equations.  相似文献   
62.
    
The purpose of this article is to explore the factors that are correlated with hours worked in China. A distinguishing feature of the study is that we used representative‐matched employer and employee data. Hence, in addition to the usual worker characteristics examined in conventional economic models of labour supply, we also took into account the influence of firm characteristics and policies on the number of hours worked. The results suggested that in addition to the hourly wage rate, labour supply characteristics and human capital characteristics of the individual, firm‐level differences are important in explaining variation in weekly hours worked in Chinese firms. In particular, our results suggested that there is a norm of longer working hours in firms that employ a high proportion of female and migrant workers, that hours worked are less in firms which pay overtime and that hours worked are less in firms in which labour disputes have disrupted production. The policy implications of Chinese firms reducing hours worked were discussed.  相似文献   
63.
In 2001 China ratified the International Covenant on Economic,Social and Cultural Rights. By so doing the national government became legally bound,\"to the maximum of its available resources\",to achieve \"progressively\" full realization of the rights specified in the Covenant. Included amongst these entitlements is the \"right of everyone to social security,including social insurance\". This paper uses data from Jiangsu to examine the extent to which urbanites agree that previously disenfranchised migrants have the same right to social insurance as the urban population. Many urbanites fear that their existing entitlements to social protection will be diluted if social insurance coverage is extended to include new populations. Accordingly,state agencies and the media have sought to promote acceptance of a more positive view of migrant workers than has traditionally prevailed within towns and cities. We find that younger urban residents,urban residents who already have social insurance and urban residents working in the state-owned sector are more likely to agree that migrants have the same right to social insurance as the urban population.  相似文献   
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66.
This paper justifies theoretically and empirically the diversification behaviour of an importing firm when it chooses the mixture of potentially differentiated products of its major input under price uncertainty. The paper investigates an equilibrium relationship among three key explanatory variables, which are the expected price, the systematic risk of price, and monopolistic market power of the suppliers in the market. The theoretical section shows that there exists a conflict between the risk–diversification effect and the agent's preference over certain products when the importer chooses the vector of optimal quantity shares. The latter effect may disturb or even dominate the former, which can be represented in an equilibrium relationship similar to the framework of the CAPM. As an empirical application, the Chinese wheat import market is examined and analysed to answer the questions raised by the basic statistics.
JEL classification : F 12; F 14; L 22  相似文献   
67.
Much has been written on the need for a more rapid rate of technical progress in the British economy but there is little in the way of hard facts on the characteristics of firms that innovate and those that do not, on the factors determining a firm's rate of innovation, and on the relationship between innovation and profitability. The present paper attempts to give some quantitative content to the discussion by examining the relationship between a firm's size, its profitability, its liquidity and the number of patents obtained in three United Kingdom industries - Chemicals, an Electrical Engineering and Electronics grouping, and Machine Tools. These three industries were chosen because they are technologically based and so place heavy emphasis on research and development.

The plan of the paper is as follows. Section 1 discusses the patents data and the use of patents as an indicator of innovative activity. The size characteristics of patenting and non-patenting firms are considered in Section 2. Section 3 presents the model relating patenting to firm size, liquidity and profitability. Sections 4 to 6 report in turn the results for the Chemical industry, the Electrical Engineering and Electronics grouping, and the Machine Tools industry. Section 7 investigates whether any short-ran profitability may be found to result from inno-vative activity. Section 8 compares our results with those obtained for the United States. Section 3 is a summary of our results.  相似文献   
68.
Abstract. This article examines why firms in Shanghai comply or over‐comply with social insurance obligations in a regulatory environment where the expected punishment for non‐compliance is low. Our first finding is that firms found to be in non‐compliance in the first audit in 2001 were moved into a separate violation category and the probability of being reaudited in 2002 was significantly higher if the firm was in that category. Our second main result is that, across the board, firms which were reaudited continued to underpay in 2002 but the extent of underpayment was significantly reduced.  相似文献   
69.
Many studies have used Gallup Poll data to estimate the relationship between presidential popularity, and inflaion and unemployment. Typically these estimates are made over the terms of several presidents. The only time-varying effect included in these studies is an intercept dummy. No account is taken of the possibility that there may be changes in the positions or slope of the indifference curves between inflation nd unemployment. Within this paper, we estimate the US public's social preference function between inflation and unemployment as a quadratic within a sets of equations framework. A series of F-tests leads us to believe that there is structural change in the economic variables as well as in the intercepts over time. Thus, estimating each administration individually or in the sets of equations format is superior to constraining slope coefficients to be equal across administrations by simply estimating the function over the entire time period. We hypothesize that the public has become somewhat more accustomed to high rates of inflation; this hypothesis is consistent with the observed changes in the social preference function.  相似文献   
70.
    
Almost unnoticed by the charitable sector as a whole, a quiet revolution has transformed educational fundraising over the last decade. From a minor and wholly owned subsidiary on the periphery of the industry, the education sector has become a highly professional and successful multinational, which in some respects is now the market leader. This paper argues that the whole of the charitable sector could benefit by taking a close look at the experience of educational fundraisers, and that such an examination could have profound repercussions in the way most fundraisers treat their donors and organise their operations. Specifically, it suggests that the nature of ‘relationship fundraising’ actually means that every donor must be treated as an individual by an individual fundraiser, irrespective of the size of their gift, and that the work of a fundraising department should not work towards merely giving the impression of such treatment.  相似文献   
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