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881.
Albert J. Menkveld 《Journal of Financial Markets》2013,16(4):712-740
This paper characterizes the trading strategy of a large high frequency trader (HFT). The HFT incurs a loss on its inventory but earns a profit on the bid–ask spread. Sharpe ratio calculations show that performance is very sensitive to cost of capital assumptions. The HFT employs a cross-market strategy as half of its trades materialize on the incumbent market and the other half on a small, high-growth entrant market. Its trade participation rate in these markets is 8.1% and 64.4%, respectively. In both markets, four out of five of its trades are passive i.e., its price quote was consumed by others. 相似文献
882.
883.
We consider the exercise of a number of American options in an incomplete market. In this paper we are interested in the case where the options are infinitely divisible. We make the simplifying assumptions that the options have infinite maturity, and the holder has exponential utility. Our contribution is to solve this problem explicitly and we show that, except at the initial time when it may be advantageous to exercise a positive fraction of his holdings, it is never optimal for the holder to exercise a tranche of options. Instead, the process of option exercises is continuous; however, it is singular with respect to calendar time. Exercise takes place when the stock price reaches a convex boundary which we identify. 相似文献
884.
Wing Lon Ng 《Quantitative Finance》2013,13(4):353-361
This paper focuses on the liquidity of electronic stock markets applying a sequential estimation approach of models for volume duration with increasing threshold values. A modified ACD model with a Box–Tukey transformation and a flexible generalized beta distribution is proposed to capture the changing cluster structure of duration processes. The estimation results with German XETRA data reveal the market's absorption limit for high volumes of shares, expanding the time costs of illiquidity when trading these quantities. 相似文献
885.
We use a survey of individual investors disclosed by the Portuguese Securities Commission (CMVM) in May 2005 to study the impact of investors’ levels of financial literacy on portfolio diversification. We consider distinct aspects of financial literacy, and control for socioeconomic and behavioral differences among individual groups of investors. Our results suggest that investors’ educational levels and their financial knowledge have a positive impact on investor diversification. The information sources used by retail investors to gather information on markets and financial products also have a significant impact on the number of different assets included in a portfolio. 相似文献
886.
The authors analyse patterns of international trade and financial integration using complex network analysis. The combination of both binary and weighted approaches delivers more precise and thorough insights into the topological structure and properties of international trade and financial networks (ITN and IFN). It is found that the ITN is more densely connected than the IFN, while both types of network display a core–periphery structure. This hierarchical organization is more pronounced in financial markets, suggesting that the bulk of trade in financial assets occurs through a handful of countries acting as hubs. High-income countries are better linked and form groups of tightly interconnected nodes. This kind of structure can explain why the recent financial crisis has spread rapidly among advanced countries while reaching emerging markets only in a second phase. 相似文献
887.
Sums of Lévy-driven Ornstein–Uhlenbeck processes are appropriate for modelling electricity spot price data. In this paper we present a new estimation method with particular emphasis on capturing the high peaks, which is one of the stylized features of such data. After introducing our method we show it at work for the EEX Phelix Base electricity price index. We also present a small simulation study to demonstrate the performance of our estimation procedure. 相似文献
888.
Oliver Hermsen 《Quantitative Finance》2013,13(10):1215-1224
The Basel II framework allows the calculation of the capital requirements for market risk with Value-at-Risk models. Since no special model is prescribed in the framework, banks may use simple models with questionable assumptions concerning their underlying distributions. Our numerical analysis reveals that simple VaR models that perform noticeably worse than comparable simple models with more realistic assumptions may lead to a lower level of regulatory capital for banks. For this reason, banks have a major incentive to implement bad models. This is obviously contrary to the interests of regulatory authorities. 相似文献
889.
This paper investigates the evolution of corporate governance and firm performance in transition economies. It focuses on barriers that impeded adoption of optimal corporate governance at Czech ammunition manufacturer Sellier and Bellot (S&B) following voucher privatisation in 1993. Exogenously imposed diffuse ownership, combined with legal, capital market, and accounting deficiencies, contributed to poor corporate governance and weak firm performance. This study shows how legal, capital market, and accounting deficiencies hinder corporate governance evolution; it demonstrates monitoring and incentive mechanisms can create value in transition economies; it suggests effective privatisation not only involves rapid ownership transfer but careful accounting and securities regulation and legal protection. 相似文献
890.
Todd Mitton 《European Financial Management》2008,14(1):127-151
I study trends in capital structure between 1980 and 2004 in a sample of over 11,000 firms from 34 emerging markets. The average firm's market‐value debt ratio rose by 15 percentage points over this quarter century. I study how this rise in leverage was influenced by firm‐level factors and by the availability of debt financing at the country level. The central finding is that the increase in debt ratios can largely be attributed to changes in the characteristics of emerging market firms over this period. For the average firm, the most prominent determinants of capital structure – size, profitability, asset tangibility, and growth opportunities – all shifted in the direction implying a higher optimal level of debt. At the country level, increased financial development within the country is associated with lower debt ratios, but increased financial openness to foreign markets is associated with higher debt ratios. 相似文献