This research article provides criticism and arguments why the canonical framework for derivatives pricing is incomplete and why the delta-hedging approach is not appropriate. An argument is put forward, based on the efficient market hypothesis, why a proper risk-adjusted discount rate should...

We revisited the issue of return predictability in three major developed markets (USA, UK and Japan) using a unique dataset from the Wharton Research Data Services database and a comprehensive set of traditional and recent statistical methods. We specifically employed a variety of traditional...

The aim of this study is to test and compare the efficient market hypothesis, in its weak form, on the stock markets of Botswana, Egypt, Kenya, Morocco, Nigeria, South Africa, Japan, the UK and the USA from 2 September 2019 to 2 September 2020. This study is based on the following research...

This study investigates the time evolution of market efficiency in the Japanese stock markets, considering three indices: Tokyo Stock Price Index (TOPIX), Tokyo Stock Exchange Second Section Index, and TOPIX-Small. The Hurst exponent reveals that the Japanese markets are inefficient in their...

This study aims to test the adaptive market hypothesis by using the myopic behavior of investors as a new proxy. The data have been taken from New York Stock Exchange from December 1994 to December 2020. Following this collection of data, the companies' stock prices were distributed into six...

This study aims to test the adaptive market hypothesis by using the myopic behavior of investors as a new proxy. The data have been taken from New York Stock Exchange from December 1994 to December 2020. Following this collection of data, the companies’ stock prices were distributed into six...

Aim/purpose - The aim of this paper is to verify whether extremely high values of market value ratios are the symptoms of informational inefficiency of the market in a weak form. The authors intend to examine whether these phenomena co-occur with each other. Design/methodology/approach -...

This research uses Simple Moving Averages and four other well-known indicators to investigate the usefulness of the Technical Analysis approach to the Johannesburg stock exchange (JSE) in South Africa. Technical indicators are applied to two JSE indexes representing large cap and small cap...

The purpose of this paper is to empirically test the association of behavioral biases like overconfidence bias and self-attribution bias, and information acquisition with individual investors decisions. This study also extends its contributions in understanding the role of information...

The study of the effectiveness of the currency market is one of the most important research problems in the field of finance. The paper aims to assess the efficiency of the Polish zloty exchange rate market. We test the market efficiency by applying two independent approaches, one based on the...

Machine learning in finance has been on the rise in the past decade. The applications of machine learning have become a promising methodological advancement. The paper's central goal is to use a metadata-based systematic literature review to map the current state of neural networks and machine...

This study assesses the effect of fund-level and systemic factors on the performance of mutual funds in the context of changing market conditions. A Markov regime-switching model is used to analyze the performance of 33 South African equity mutual funds from 2006 to 2019. From the results, fund...

In this study, the effects of COVID-19 (mortality rate, case rate, and bed capacity) on the stock market was examined within the framework of the efficient market hypothesis. Unlike other studies in the literature, we used the variable of bed capacity besides the mortality rate and case rate...

This paper studies efficient market hypothesis in prediction markets and the results are illustrated for the in-play football betting market using the quoted odds for the English Premier League. Our analysis is based on the martingale property, where the last quoted probability should be the...

This study aims at examining the integration impact of the five ASEAN Islamic capital markets on asymmetric information for ASEAN Economic Community (AEC) development. Utilizing samples of market and financial panel data from 2009 to 2015 among the five ASEAN Islamic capital markets, and...

In order to reach climate neutrality by 2050, the European Union is taking action in the form of extensive sustainability regulations with the aim to push the private sector towards sustainable economic activities. In this context, a new instrument to finance a company's sustainability...

Purpose - The economic and administrative conditions of countries normatively have an effect on the economy and level of market development. Moreover, it is of great importance for a healthy economy whether the public institutions and organizations are transparent and functioning in accordance...

Using a recent stock market liberalization reform policy in China-the Stock Connect-as a quasi-natural experiment, this study examines the effect of stock market liberalization on market efficiency. Employing a dataset of 17,086 Chinese listed firms covering 2009 to 2018, we find that stock...

This study aims to examine the time-varying efficiency of the Turkish stock market's major stock index and eight sectoral indices, including the industrial, financial, service, information technology, basic metals, tourism, real estate investment, and chemical petrol plastic, during the COVID-19...

This study proposes a social-financial approach (SFA) to fill the methodological research gap in strategic policy design for managing financial transitions during social changes. The SFA seeks to characterize inclusive transitions in response to innovation and analyze financial management in...

Previous research finds correlation between sentiment and future economic growth, but disagrees on the mechanism that explains this result. In this paper, we shed new light on this issue by exploiting cross-country variation in sentiment and market efficiency. We find that sentiment shocks in G7...

Abstract:Popularity bias -- the bandwagon effect -- is the tendency to select the most popular from alternative(s). We incorporate this into a parsimonious dynamic model of an anonymous bipartite economy with heterogeneous agents and show that anti-egalitarian networks (where the smallest...

Online sports betting is growing rapidly around the world. We describe how the competitive structure of the bookmaking market affects odds when bettors disagree about the probabilities of the outcomes of sporting events but are on average correct. We show that the demand for bets on longshots is...

This paper aims to study the efficiency of labor market, investigate the determinants of job employment in the Eastern Economic Corridor, and forecast the trend of job employment. The monthly data from January 2016 to September 2021 were collected to explore the long-run relationship among...

We test the efficiency of the U.S. Natural Gas futures market against both observed and forecasted weather information from across the U.S., and show that the NG futures market incorporates complex meteorological information. We show that U.S. Natural Gas futures are affected by forecasted...

The study applies the effective transfer entropy (ETE) and Renyi transfer entropy (RTE) to quantify the information flow between government bonds and equity market of G7 countries. The magnitude and direction of information flow between these two markets are dynamic across the state of the...

We explore the noisy rational expectation equilibrium with short-horizon traders with CARA preferences and show how, when asset information is heterogeneous and includes both private and public signals, the precision of information disclosure reflects fundamentals and liquidity trading in...

Is the formation of investor cliques associated with superior fund performance? Our analysis of more than 2,000 private equity real estate (PERE) funds over three decades reveals outstanding performance among PERE funds dominated by investor cliques. Specifically, cliques with a more extensive...

This paper used multifractaldetrended fluctuation analysis to evaluate price efficiency dynamics and relate it to stock prices predictability in the Brazilian equity market. The main findings are: i) the presence of multifractality is confirmed before and after the COVID-19 pandemic, rejecting...

Existing studies on the impact of social media on the information efficiency of capital markets have opposing views. As a core feature of social media, the role of investor interaction is often overlooked. To fill this gap, using the social network analysis (SNA) method, we examine the...

One difficulty in testing the efficient market hypothesis (EMH) is overcoming Fama's (1970) joint hypothesis problem of market rationality and the unknown equilibrium E(R). We exploit the fact that the equilibrium expected rate of return for stablecoins is E(R)=0 and employ traditional market...

In economies with incomplete information, laissez-faire price competition is not, in general, constrained Pareto efficient. But which market structures are? We consider an environment in which firms have private information about costs and consumers make discrete choices over goods. Surveying an...