The Equilibrium Consequences of Indexing

Author(s):  
Philip Bond ◽  
Diego García

Abstract We develop a benchmark model to study the equilibrium consequences of indexing in a standard rational expectations setting. Individuals incur costs to participate in financial markets, and these costs are lower for individuals who restrict themselves to indexing. A decline in indexing costs directly increases the prevalence of indexing, thereby reducing the price efficiency of the index and augmenting relative price efficiency. In equilibrium, these changes in price efficiency in turn further increase indexing, and raise the welfare of uninformed traders. For well-informed traders, the share of trading gains stemming from market timing increases relative to stock selection trades.

2008 ◽  
Vol 43 (1) ◽  
pp. 1-28 ◽  
Author(s):  
Amber Anand ◽  
Avanidhar Subrahmanyam

AbstractA significant but unresolved question in the current debate about the role of intermediaries in financial markets is whether intermediaries behave as passive traders or whether they actively seek and trade on information. We address this issue by explicitly comparing the informational advantages of intermediaries with those of other investors in the market. We find that intermediaries account for greater price discovery than other institutional and individual investors in spite of initiating fewer trades and volume. Furthermore, intermediary information does not arise from inappropriate handling of customer orders by intermediaries. We propose that our findings are consistent with noisy rational expectations models, where agents extract valuable information from past prices. Intermediaries bear little or no opportunity cost of monitoring market conditions, which gives them an advantage in making profitable price-contingent trades. Lower trading costs may also enable intermediaries to trade more effectively and frequently on their information.


2020 ◽  
pp. 1-32
Author(s):  
Roger E. A. Farmer ◽  
Pawel Zabczyk

This paper is about the effectiveness of qualitative easing, a form of unconventional monetary policy that changes the risk composition of the central bank balance sheet. We construct a general equilibrium model where agents have rational expectations, and there is a complete set of financial securities, but where some agents are unable to participate in financial markets. We show that a change in the risk composition of the central bank’s balance sheet affects equilibrium asset prices and economic activity. We prove that, in our model, a policy in which the central bank stabilizes non-fundamental fluctuations in the stock market is self-financing and leads to a Pareto efficient outcome.


2008 ◽  
Vol 11 (04) ◽  
pp. 617-649 ◽  
Author(s):  
Patrick Kuok-kun Chu ◽  
Michael McKenzie

This paper presents the first comprehensive study of the performance and market timing ability of the equity funds that comprise the Hong Kong Mandatory Provident Funds (MPF) scheme. In general, our results suggest that US equity funds consistently underperform relative to the market, while the other fund groups consistently outperform the market. The stock-selection ability of MPF constituent equity funds in times of changing economic condition is also investigated. The evidence is consistent with previous studies, which suggest that the conditional models decrease the individual fund traditional alpha measure. The market timing models of Treynor–Mazuy and Henriksson–Merton provide evidence of superior market timing ability.


2021 ◽  
Vol 6 (1) ◽  
pp. 118-135
Author(s):  
Pick-Soon Ling ◽  
Ruzita Abdul-Rahim

Background and Purpose: Studies focusing on mutual fund managerial abilities and investment style strategies are still scarce in the literature. Thus, this study aims to provide new evidence and insights into the managerial abilities and investment style performances of Malaysian fund managers.   Methodology: A total of 444 Malaysian equity mutual funds (EMFs) were evaluated using Carhart’s model incorporated with Treynor-Mazuy (T-M) and Henriksson-Merton (H-M) market timing models for the study period, from January 1995 to December 2017.   Findings: Fund managers displayed superior stock selection skills with 32 percent and 43 percent of funds for T-M and H-M respectively, with perverse market timing ability which accounted for 39 percent and 42 percent of funds for T-M and H-M respectively. Perverse timing ability had reduced the superior stock-picking skills of fund managers. This suggests that the EMFs performance could further improve if respective fund managers perform better in market timing ability. The finding also indicates that size effect (SMB) and value effect (HML) play significant roles in investment style strategies, while results of momentum factor (WML) propose that Malaysian fund managers have followed the contrarian strategy.   Contributions: This study contributes in several ways especially in the literature of portfolio management as the evidence is obtained from the largest mutual funds sample size and the longest study period. Moreover, this study also used the highest frequency data to study the effects of market timing which were overlooked in previous studies.   Keywords: Adjusted carhart, Malaysian market, market timing, mutual fund, stock selection.   Cite as: Ling, P-S., & Abdul-Rahim, R. (2021). Managerial abilities and factor investment style performances of Malaysian mutual funds.  Journal of Nusantara Studies, 6(1), 118-135. http://dx.doi.org/10.24200/jonus.vol6iss1pp118-135


2017 ◽  
Vol 43 (3) ◽  
pp. 379-402 ◽  
Author(s):  
Bonolo Maggie Thobejane ◽  
Beatrice D. Simo-Kengne ◽  
John W. Muteba Mwamba

Purpose The purpose of this paper is to evaluate the performance of 191 equity unit trusts in an emerging market, South Africa over the period from February 2006 to January 2016, which captures different market conditions (pre-global financial crisis, crisis and recovery periods). Besides testing for managerial ability, both cross-sectional regression and the non-parametric rank correlation test are used to test whether the performance generated by unit trusts does persist. Design/methodology/approach To evaluate the managerial ability of portfolio managers, two widely used methods, the Treynor-Mazuy (1966) model and Henriksson-Merton (1981) model, are employed. Both models test whether portfolio managers have stock selection and market timing ability. The cross-sectional regression and the rank correlation test are implemented which account for both parametric and non-parametric approaches of persistence testing, respectively. Findings Weak evidence of stock selection as well as market timing ability was found. Moreover, most of the unit trusts are reported to have insignificant coefficients. When testing for performance persistence using returns, the Sharpe ratio and the Sortino ratio as performance metrics, the overall results also revealed weak evidence of persistence that is equally spread across winning and losing funds. Originality/value While research on unit trusts’ performance has been conducted in emerging economies, little has been done in testing for managerial ability in general and in South Africa in particular. Moreover, the research tends to focus more on one class – Equity General. This paper extends the performance literature by testing whether portfolio managers in the South African equity unit trusts industry have stock selection and market timing ability.


2012 ◽  
Vol 3 (2) ◽  
pp. 65-77
Author(s):  
Richard Borghesi

In this paper I examine the absolute and relative price efficiency of NBA options listed on Tradesports.com.  I find that contracts within specific price bands are misvalued, but also demonstrate that this market is more efficient than is the market for NFL options.  Specifically, I show that contracts priced around $25 win (expire at $100) at a rate less than expected, while those priced around $75 win at a rate greater than expected.  The magnitudes of these deviations between prices and fundamental values are less than those in the NFL market.  Also, while prior theoretical work predicts that low-priced contracts should be overpriced, I instead find that NBA contracts priced near $2.50 win more frequently than expected.I thank Rob Dougherty and Brijesh Patel for assistance with the NBA event data, and Leighton Vaughan Williams for meaningful suggestions throughout.  Any errors are strictly my own.


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