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31.
Erik M. van Raaij 《Journal of Purchasing & Supply Management》2018,24(3):183-191
Scholars in our field, Operations and Supply Chain Management (OSCM), are under high pressure to show research productivity. At most schools, this productivity is measured by the number of journal articles published. One possible response to such pressure is to improve research efficiency: publishing more journal articles from each data collection effort. In other words, using one dataset for multiple publications. As long as each publication makes a sufficient contribution, and authors ensure transparency in methods and consistency across publications, generating more than one publication from one data collection effort is possible. The aim of this Notes and Debates article, however, is to draw attention to inappropriate reuse of empirical data in OSCM research, to explain its implications and to suggest ways in which to promote research quality and integrity. Based on two cases of extensive data reuse in OSCM, eighteen problematic practices associated with the reuse of data across multiple journal articles are identified. Recommendations on this issue of data reuse are provided for authors, reviewers, editors and readers. 相似文献
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In response to the recent financial crisis, the U.S. Government introduced new rules which allow Real Estate Investment Trusts (REITs) to issue elective stock dividends (ESDs), i.e., noncash dividends, to satisfy their distribution requirements. The purported goal of these rules was to provide temporary relief to REITs facing cash flow problems. We investigate how the introduction of these rules affects dividend policy of REITs. Surprisingly, we document that only 17 REITs chose to issue elective stock dividends. We examine the characteristics of these REITs and find that their cash flows are similar to REITs that do not select these dividends. This suggests that cash flow problems are unlikely to be the primary determinant of the ESD issuance decision. Instead, our findings indicate the decision to pay ESDs is related to the level of loans that are close to maturity, REIT size, growth prospects and poor performance during the financial crisis. Furthermore, we find that the same factors determine the ratio, amount and frequency of stock dividends issued by these REITs. We also examine the response of shareholders to ESDs announcements and find positive abnormal returns surrounding these dividend announcements. 相似文献
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Erik Bengtsson Jakob Molinder 《The Scandinavian economic history review / [the Scandanavian Society for Economic and Social History and Historical Geography]》2017,65(2):149-168
In 1920, the working day in Swedish manufacturing and services was cut from 10 to 8 hours without wages being cut correspondingly. Since workers demanded and got the same daily wage working 8 hours as they had with 10, real hourly wages increased dramatically; they were about 50% higher in 1921–1922 than they had been in 1919. This is the largest wage push in Swedish history, and this paper studies the consequences for profits, investments, capital intensity and unemployment. In traded manufacturing employers responded by increasing capital intensity and did not compensate for rising wages by raising prices, which led to a combination of jobless growth and low profit rates in the 1920s. Firms in non-traded manufacturing and services could raise prices and conserve profitability to a higher degree. In total, the effects of the reform were pro-labour. We discuss the implications for our understanding of interwar wages and employment, the literature on the decrease in inequality found in most industrial countries around 1920 and the rise of the ‘Swedish model’ in the 1920s and 1930s. 相似文献
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Based on an extension of the process of investors' expectations to stochastic volatility we derive asset price processes in a general continuous time pricing kernel framework. Our analysis suggests that stochastic volatility of asset price processes results from the fact that investors do not know the risk of an asset and therefore the volatility of the process of their expectations is stochastic, too. Furthermore, our model is consistent with empirical studies reporting negative correlation between asset prices and their volatility as well as significant variations in the Sharpe ratio. 相似文献
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Innovation is generally recognized as a major source of economic growth. R&D investments explicitly aim at generating innovations and creating knowledge. Since knowledge has certain public good properties, positive externalities are likely to exist. In this paper, we extend well-known concepts from the input-output literature (backward multipliers) to indicate at which commodities stimuli should be targeted to enhance R&D and its positive externalities in the economy as a whole. Next, we argue that there may also be negative externalities of R&D, due to increased prices. This issue can be studied by means of forward multipliers. Both concepts are applied to the United States, 1977-90. 相似文献
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Bertrand supergames with non‐binding communication are used to study price formation and stability of collusive agreements on experimental duopoly markets. The experimental design consists of three treatments with different costs of communication: zero‐cost, low‐cost and high‐cost. Prices are found to be significantly higher when communication is costly. Moreover, costly communication decreases the number of messages, but more importantly, it enhances the stability of collusive agreements. McCutcheon (1997) presents an interesting application to antitrust policy by letting the cost of communication symbolize the presence of an antitrust law that prohibits firms from discussing prices. Although our experimental results do not support the mechanism of McCutcheon's (1997) argument, the findings point in the direction of her prediction that antitrust laws might work in the interest of firms. 相似文献
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Erik Schokkaert 《Economics Letters》1985,19(1):43-46
Complete demand systems often are estimated under the assumption that preferences are constant. If preferences do change in reality, this leads to a specification error. This note explores some of the implications of such a specification error. 相似文献
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