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1.
In this paper, we estimate generalized autoregressive conditional heteroskedasticity (GARCH) and vector autoregressive (VAR) models to examine whether investor sentiment impacts the returns and volatility of various U.S. Dow Jones Islamic equity indices. The results from GARCH estimations show that changes in investor sentiment are positively correlated with the returns of the Shari’ah-compliant market portfolio. In addition, we find similar results for the three Shari’ah-compliant firm-size portfolios (i.e., large-, medium-, and small-cap). However, this relationship is stronger for harder to arbitrage Shari’ah-compliant stocks; that is, investor sentiment has a greater influence on small-cap equities. Additionally, estimations from the vector autoregressive model confirm the aforementioned results. In terms of volatility, GARCH estimations suggest that bullish shifts in investor sentiment in the current period are accompanied by lower conditional volatility in the ensuing period. In general, our findings suggest that as noise traders create more risk the market seems to reward them with higher expected returns.  相似文献   

2.
Decisions in Economics and Finance - In this paper, we analyze the relative impact of attention measures either on the mean or on the variance of Bitcoin returns by fitting nonlinear econometric...  相似文献   

3.
Unlike foreign exchange markets where central banks frequently intervene, the governments strive not to intervene in the stock markets since intervention transmit negative signals and carry market-related side effects. The main reasons often cited in support of intervention are to bring price stability and to restore investors’ confidence. During the recent economic turmoil, opportunities for the governments to intervene in the stock markets were mainly exploited in emerging and developing countries. We study the outcome of the Russian government's intervention in its major stock market between September and October 2008. This intervention was intended to reverse the sudden and swift declining trend in traded security prices by altering the market's expectations. By using a combination of event study and a multivariate GARCH model, our findings does not support direct government intervention in the stock market during a crisis.  相似文献   

4.
Is univariate or multivariate modeling more effective when forecasting the market risk of stock portfolios? We examine this question in the context of forecasting the one-week-ahead expected shortfall of a stock portfolio based on its exposure to the Fama–French and momentum factors. Applying extensive tests and comparisons, we find that in most cases there are no statistically significant differences between the forecasting accuracy of the two approaches. This result suggests that univariate models, which are more parsimonious and simpler to implement than multivariate factor-based models, can be used to forecast the downside risk of equity portfolios without losses in precision.  相似文献   

5.
Poland's post‐communist economic performance has been generally good. However, for many years, its growth was jobless; it exhibited very high unemployment rates and made little progress towards the targets set for EU Member States and accession countries. Unexpectedly, in 2003, the country's labour market began to exhibit a new dynamism, with employment growing strongly and unemployment tumbling. This apparent improvement coincided with a liberalisation of its Labour Code. Unfortunately, the measures introduced to increase flexibility are at variance with the EU's Fixed‐term Work Directive and will likely need to be modified, which may conceivably reverse the recent developments that form the focus of this article.  相似文献   

6.
Do credit market imperfections justify a central bank׳s response to asset price fluctuations? This study addresses this question from the perspective of equilibrium determinacy. In the model we use, prices are sticky and the working capital of firms is subject to asset values because of a lack of commitment. If credit market imperfections exist to a small degree, the Taylor principle is a necessary and sufficient condition for equilibrium determinacy, and monetary policy response to asset price fluctuations is good from the perspective of equilibrium determinacy. However, if credit market imperfections exist to a large degree such that the collateral constraint is binding, then the Taylor principle no longer guarantees equilibrium determinacy, and monetary policy response to asset price fluctuations becomes a source of equilibrium indeterminacy. We find that the existence of credit market imperfections makes it unsuitable to initiate a monetary policy response to deal with asset price fluctuations. We also find that reductions in credit market imperfections can enlarge the indeterminacy region of the model parameters.  相似文献   

7.
Existing empirical studies show that financial integration affects the behavior of average excess returns, cross-country equity market returns (EMR) correlations and real exchange rate (RER) volatility. We employ a recently developed two-country model with recursive preferences, frictionless and complete markets and highly correlated long-run innovations to examine whether full financial integration (i.e. full risk-sharing) affects the US-Canada EMR correlation and the US RER volatility, consistently with existing empirical findings. First, full risk-sharing gives rise to a relatively high RER volatility. Second, it induces very strong positive cross-country EMR correlations. Both quantities are higher than those observed in the US-Canada asset pricing data, and increase as the risk-sharing incentive increases. In contrast, “international consumption quantities” are weakly sensitive to changes in the level of aversion to consumption and utility risk.  相似文献   

8.
This paper studies the time–frequency, nonlinear quantile relationship between investor attention (GSVI) and crude oil over the period from January 2000 to April 2020. To do so, the wavelet coherency, wavelet-based causality-in-quantiles test and quantile-on-quantile method are employed. The results indicate that first, the correlation between investor attention and crude oil is relatively high, and the highly correlated regions are concentrated from 8 to 16 months. In most cases, the GSVI is negatively correlated with the crude oil market. Additionally, under extreme market conditions, the explanatory ability is stronger than in the normal market, and it is greater in the low-frequency domain than in the high-frequency domain. Finally, investor attention has an apparent asymmetric impact on crude oil prices and returns at each scale, displaying a positive effect on the low quantiles of crude oil but a negative effect on the high quantiles across all quantiles of the GSVI. In the short term, when crude oil prices and returns are in a bear market, the larger volume of the GSVI has a greater impact on them. Moreover, the impact becomes greatest under extreme market conditions.  相似文献   

9.
A frequent and recent topic in the financial press concerns the two major rating agencies, Moody’s and Standard & Poor’s. The reported perception is that Moody’s is less credible. In this study, we determine whether the market shares this perception and whether this perception carries an economic cost. Since there are many features attached to a bond issue that affect its yield, differences in bond rating cannot be tested in isolation. This paper estimates the impact of differences in ratings as well as several other key bond features (call and sinking fund features, and syndication) of public issues of corporate bonds using regression analysis over the period 1986 through 1996. All features tested except the sinking fund option for doubling and tripling the amount of funds retired are found to be significant including the variable measuring the market’s perception of the informational content of ratings from the two rating agencies. Thus, we conclude that the market finds value in the ratings from each agency, but that the value is not symmetrical between the two agencies. There is not enough evidence that the market values one agency over the other.  相似文献   

10.
This paper aims to investigate herding behavior and its impact on volatility under uncertainty. We apply a cross-sectional absolute deviation approach as well as Quantile Regression methods to capture the herding behavior in daily and monthly frequencies in US markets over several time-periods including the global financial crisis. In a novel attempt we modify the empirical CSAD herding modeling by introducing implied volatility as a measure of agent risk expectations. Our findings indicate that herding tends to be intense under extreme market conditions, as depicted in the upper high quantile range of the conditional distribution of returns. During crisis periods herding is observed at the beginning of the crisis and becomes insignificant towards the end. The US market herding behavior exhibits time-varying dynamic trading patterns that can be attributed e.g., to overconfidence or excessive “flight to quality” features, mostly observed in the aftermath of the global financial crisis. Moreover, implied volatility reveals asymmetric patterns and plays a key role in enforcing irrational behavior.  相似文献   

11.
This paper studies the incentives to join a monetary union under alternative assumptions about the extent of market reform within the union and in the candidate countries. A lack of mobility, wage/price flexibility or diversification opportunities, brings costs for both new entrants and existing union members. That holds whether the lack of reform is in the entrants or in the existing union. Countries will only want to join a union where there has been sufficient reform, and where markets are more flexible than their own. But existing members will want the same properties of their new partners as well.  相似文献   

12.
In recent years, the number of listed companies has been declining in many countries across the world. This paper provides a selective survey of the literature on the real economic effects of the stock market to assess the potential effects of this decline and determine whether it is likely to continue. The leading economic role of the stock market’s primary market, in which firms raise capital by issuing new shares, is to help growing firms secure financing. We discuss providing and certifying information, coordinating investors, and easing the redeployment of capital as the means through which capital allocation can be efficiently achieved. The main economic roles of the stock market’s secondary market, the trade in existing shares, is to provide liquidity to shareholders, to aid in price discovery and to provide diversification opportunities. Positive external effects from an active stock market may arise for consumers, labor and private firms due to increased corporate investment, more socially responsible business strategies and a more positive business climate. Negative external effects on capital allocation and productivity can arise from short-termism, market mispricing, and increased cross-ownership. Local stock markets can spur innovation and foreign direct investment (FDI) and reduce the risk of early cross-border acquisitions. Given the myriad of useful economic functions the stock market performs, a future entirely absent of public companies is difficult to imagine and the decline is therefore likely at some point to come to an end. Whether we need to worry about the decline depends on the relative importance of the positive and negative external effects, a topic we feel warrants more research.  相似文献   

13.
Various studies have confirmed the existence of jumps in different financial markets. However, there is sparse theoretical or empirical effort to examine the dynamic relation between jump risk and cross-sectional expected stock returns. We follow a stylized SDF-based diffusion-jump model to examine its testable implications about the relation between cross-section expected excess returns and variations in jump intensities across stocks. The zero-cost portfolio, exploiting the return spreads between the top and bottom decile portfolios formed on jump intensity, could earn an annualized return as high as 24% with an annualized Sharpe ratio of 1.67. A Fama-MacBeth test shows that stock excess returns monotonically decrease in jump intensity even after controlling for other common risk factors.  相似文献   

14.
This study examines the extent to which market competition influences risk reporting practice. It also explores how market competition affects the usefulness of risk reporting. The automated textual analysis measures the level of risk reporting [how much to report] and its tone [how it is reported] of UK FTSE 350 firms. The abnormal stock return is used as a proxy for the usefulness of risk reporting. In contrast to the proprietary cost hypothesis, our results indicate that the level of risk reporting is a positive function of market competition. Besides, UK firms are likely to disseminate more (less) negative (positive) news about their risks when market competition increases. However, after examining the informativeness of this reporting, we provide evidence that the level of reported risk information does not significantly enhance the abnormal stock returns of UK firms. Nevertheless, the tone of the reported risks carries incremental information indicative of a firm’s abnormal stock return, especially when market competition decreases. The findings suggest that firms are likely to alleviate their proprietary costs by framing their reporting of risk information in a way that deters potential competitors from entering their market and that market competition diminishes the perceived informativeness of such reporting. The results provide implications for investors as they should not acknowledge the disclosure of higher risk information when asking for more corporate transparency, as it lacks informativeness. Besides, policymakers may impose extra compulsory requirements on the UK firms to avoid reporting overly optimistic risk news to protect investors and avoid the adverse effects of this reporting.  相似文献   

15.
16.
Several empirical studies show that a substantial fraction of the changes in growth rates of real activity can be explained by lagged aggregate stock return variations in the U.S. as well as in other G-7 countries from the 1950s to the 1990s. However, the results presented in Binswanger.[International Review of Economics and Finance 9 (2000) 387] indicate that this traditionally strong relation has disappeared in the U.S. in the early 1980s. This paper shows that a similar breakdown occurred in Canada, Japan and in an aggregate economy consisting of the four European G-7 countries. The results provide evidence in favor of the hypothesis that speculative bubbles during the 1980s and 1990s were an international phenomenon.  相似文献   

17.
Using university administrative and survey data drawn from the AlmaLaurea Consortium, we analyze the effect of time to degree on the early labor market performance of Italian graduates. The empirical strategy allows identifying separately the impact of elapsed time to degree on the transition from university to work and on earnings from other determinants specific to the academic path completed. Findings suggest that delayed graduation reduces the employment probability (0.8% points for each year of delay), and this effect is still persistent five years after graduation. Once employed, graduates not completing their degree within the minimum period are also penalized in their net monthly earnings, even five years after graduation. The most penalized groups are women and graduates in non-scientific fields.  相似文献   

18.
This paper analyzes four modes of innovation that differ in their scope of newness (innovation generation and adoption) and in their degree of change (radical and incremental). Building a theoretical model based on the market orientation (MO) and contingency theory literature and using a sample of innovative firms, we find that MO positively influences the numbers of incremental generation and adoption of innovations. We also find that environmental complexity moderates the relationship between MO and radical and incremental innovation generation and the number of incremental innovation adoption. That is, we have found that highly complex environments enhance the introduction of radical and incremental internally generated innovations and harm the adoption of incremental innovation for market-oriented firms. These findings add to the innovation and MO literatures. Our results also have important implications for both the commercial activities and R&D policies of firms.  相似文献   

19.
20.
《Economic Systems》2002,26(2):83-98
This paper examines empirically the responsiveness of firm performance to ownership and market structures, sector and regional specificity, and varying degrees of soft budget constraints. It does so by providing a “snapshot” of the economy. For cross-sectional data on Ukrainian firms in 1998, the paper presents evidence that the firms in the snapshot behaved more as if they were still in a loosely reformed Soviet environment where exchange via interpersonal connections, rather than the price mechanism, determined the allocation of resources.  相似文献   

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