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排序方式: 共有151条查询结果,搜索用时 109 毫秒
101.
In this paper, we investigate the relationship between common risk factors and average returns for Italian stocks. Our research has identified the Italian stock market's economic variables by using the results from factor analyses and time series regressions. We study several multi‐factor models combining the relevant macroeconomic variables with the mimicking equity portfolios SMB (small minus big) and HML (high minus low) proposed by Fama and French (1993). The key question we want to ask ourselves, is whether the influential role of the size and book‐to‐market equity factors in explaining average stock returns can stand up well when competing with some macroeconomic factors. In other words, do stock returns carry some risk premium that is independent of either the market return or the economic forces that underlie the common variation in returns? Our empirical work estimates risk premiums using both traditional two‐pass procedures and one‐pass (full information) methodologies. We show that only the market index and variables linked to interest rate shifts are consistently priced in the Italian stock returns. The role of other factors, and in particular both the size and the price‐to book ratio, are crucially dependent on the estimation procedure. (J.E.L.: G11, G12). 相似文献
102.
Technological Change, Market Rivalry, and the Evolution of the Capitalist Engine of Growth 总被引:2,自引:1,他引:1
Pietro F. Peretto 《Journal of Economic Growth》1998,3(1):53-80
In the early stages of Western industrialization, innovation was the domain of individuals who devoted their entrepreneurial talents to the development of a new product or process, typically setting up a new firm in order to take the innovation to the market. Today, commercial R&;D is almost exclusively carried out by corporate laboratories affiliated with manufacturing firms. The corporate R&;D lab, however, did not exist in its modern form until the late nineteenth century. The history of Western industrialization, thus, suggests that a fundamental change in the structure of incentives, and consequently in the nature and the organization of the R&;D process, occurred around the turn of the century. Three questions arise. What is the nature of this change? What economic forces caused it? What are its implications? To answer these questions, I construct a model where this change is endogenous to the evolution of the economy toward industrial maturity. The change in the locus of innovation—from R&;D undertaken by intventor-entrepreneurs, to R&;D undertaken within established firms in close proximity to the production line—results from the interaction of market structure and technological change. This interaction captures the essence of the evolution of the capitalist engine of growth and provides an economic explanation of a “stylized fact” that has received no attention in the theoretical literature. The endogenous market structure generates dynamic feedbacks that shape the growth path of the economy and determine the structural change it undergoes, including the endogenous formation of corporate R&;D labs. The evolution of market rivalry explains when and how established firms become the major locus of R&;D activity. 相似文献
103.
We present a simple comparative statics analysis of steady‐state equilibria in overlapping generations economies with capital accumulation. We regard comparative statics as paradoxical whenever an exogenous increase in saving propensity induces a decrease (an increase) in consumption at the steady state when interest rate is positive (negative). It is shown that there is an exact relation between paradoxical comparative statics and a perverse intersection of properly identified curves of demand for and supply of capital in value. The demand curve for capital in value coincides with that of neo‐Ricardian analysis. We relate our conclusions to some old and recent issues in capital theory. 相似文献
104.
Leone Leonida Dario Maimone Ansaldo Patti Pietro Navarra 《Oxford bulletin of economics and statistics》2013,75(6):785-805
This article tests for the existence of the political replacement effect, as suggested by Acemoglu and Robinson: [American Political Science Review, Vol. 100, pp. 115–131]. They argue that the implementation of market‐oriented reform is crucially driven by the political calculus of incumbent governments: they implement economic policy change if such a choice is not expected to reduce their chances to retain power. This implies a non‐monotonic relationship between the level of political competition and the extent of economic reform. We test this hypothesis using data for 102 countries over the period 1980 to 2005. Our results strongly support the theory. 相似文献
105.
Political uncertainty and risk premia 总被引:1,自引:0,他引:1
We develop a general equilibrium model of government policy choice in which stock prices respond to political news. The model implies that political uncertainty commands a risk premium whose magnitude is larger in weaker economic conditions. Political uncertainty reduces the value of the implicit put protection that the government provides to the market. It also makes stocks more volatile and more correlated, especially when the economy is weak. We find empirical evidence consistent with these predictions. 相似文献
106.
Do good looks make people more productive? An impact of looks on earnings has been found in the empirical literature: plain people earn less than average‐looking people who in turn earn less than good‐looking people. However, an important question remains unanswered: is the impact of beauty due to pure discrimination or productivity? We provide evidence against the hypothesis of Becker‐type discrimination stemming from tastes and in favour of productivity‐related discrimination. 相似文献
107.
This paper examines how commonly used earnings quality measures fulfill a key objective of financial reporting, i.e., improving decision usefulness for investors. We propose a stock‐price‐based measure for assessing the quality of earnings quality measures. We predict that firms with higher earnings quality will be less mispriced than other firms. Mispricing is measured by the difference of the mean absolute excess returns of portfolios formed on high and low values of a measure. We examine persistence, predictability, two measures of smoothness, abnormal accruals, accruals quality, earnings response coefficient and value relevance. For a large sample of US non‐financial firms over the period 1988–2007, we show that all measures except for smoothness are negatively associated with absolute excess returns, suggesting that smoothness is generally a favorable attribute of earnings. Accruals measures generate the largest spread in absolute excess returns, followed by smoothness and market‐based measures. These results lend support to the widespread use of accruals measures as overall measures of earnings quality in the literature. 相似文献
108.
The global financial crisis, the weakening role of the dollar and the increasing international importance of China are calling
for a reform of the international monetary system in the direction of greater multilateralism. To this end, we advance a proposal
based on a greater role of the Special Drawing Rights (SDRs) and focus on the potential benefits that these could bring to
Low-Income Countries (LICs). SDRs would be created exogenously - with a disproportionate allocation to LICs -, but also endogenously,
through a substitution account and an overdraft facility. Finally, the paper discusses the superiority of this proposal in
the context of the current foreign assistance framework. 相似文献
109.
This paper addresses the estimation of confidence sets for asset correlations used in credit risk portfolio models. Research on the estimation of asset correlations using endogenous probabilities of default estimations has focused on the impact of concentration risk factors, such as firm size and industry. The empirical evidence from Italian small- and medium-size companies show that the assumptions underlying the Basel Committee regulatory capital risk weight function are not substantiated. The regulatory impact is that the capital adequacy is significantly compromised, driving an adverse selection, which favors the worst companies, and transferring the procyclical effects from firms to banks. 相似文献
110.
In this article, we test Wagner’s assumption of the one-sided directional flow moving from economic growth to public spending in Italy for the 1951–2009 period. We pay particular attention to the impact of certain regime shifts related to changes in Italian budget regulations and procedures and the relevance of fiscal institutions to the fiscal performance equation, i.e. the public spending–national income nexus. The Error Correction Model is estimated to measure short-run dynamic effects and the long-run equilibrium between the two time series. The empirical evidence suggests that Wagner’s law is supported. In regard to policy implications, we find that public spending reacted less to positive changes in economic growth when the strengthening of the Ministry of Finance occurred in 1997 (Ciampi’s reform). Some sensitivity analyses confirm our empirical evidence. 相似文献