Initial Evidence on the Market Impact of the iXBRL Adoption

2021 ◽  
Author(s):  
Xin Luo ◽  
Tawei (David) Wang ◽  
Liu Yang ◽  
Xinlei Zhao ◽  
Yiyang Zhang
Keyword(s):  
Information Asymmetry ◽  
Stock Prices ◽  
Stock Return ◽  
Annual Reports ◽  
Informational Efficiency ◽  
Market Impact ◽  
Business Reporting ◽  
Long Run ◽  
Machine Readable

In June 2018, the SEC adopted Inline eXtensible Business Reporting Language (iXBRL), which embeds XBRL data into HTML-formatted annual reports to improve the accessibility and usefulness of the information disclosures to investors. This study assesses the effectiveness of iXBRL by examining its impact on informational efficiency and information asymmetry. Using a sample that includes iXBRL voluntary adopters before 2019, we find that iXBRL adoption lowers stock return drift and facilitates information being impounded into firm stock prices following the filing of annual reports. We also find that unlike XBRL, iXBRL reduces information asymmetry in the long run. These findings are consistent with the SEC’s intention of adopting iXBRL to combine human-readable and machine-readable information. Our study provides initial evidence on the effectiveness of iXBRL in communicating information to the external users of annual reports.

scholarly journals Asymmetric Price Adjustment: Are IPO Prices too "Sticky"?

2011 ◽  
Vol 7 (5) ◽  
Author(s):  
Michael Adams ◽  
Barry Thornton ◽  
Russ Baker
Keyword(s):  
Market Efficiency ◽  
Stock Prices ◽  
Stock Price ◽  
Investor Sentiment ◽  
Relevant Information ◽  
Price Adjustment ◽  
Informational Efficiency ◽  
Long Run ◽  
New Information ◽  
Short Run

The study of IPO mispricing is salient because it raises important questions concerning market efficiency and the existence of systematic stock patterns that can be employed by investors to generate excess market returns. The purpose of this paper is to investigate the informational efficiency of IPO market prices with respect to the first 3 trading day’s return and to examine the effect of varying investor sentiment on this information efficiency.  Under traditional definitions of market efficiency, asset prices, including IPO prices should fully reflect all available and relevant information (Fama 1970).  An increasing body of empirical evidence, however, suggests that IPO prices are not efficient as evidenced both in the short run and the long run.  The speed of incorporation of new information into stock prices is critical to many central issues in financial research, such as market efficiency, arbitrage, and market structure. This paper analyzes the speed of price adjustment to information events for IPOs. The setting of the immediate aftermarket presents an opportunity to investigate the issue when little or no trading history exists. In such a setting, investors are more exposed to new information because they cannot observe the stock price behavior or the reactions to previous information signals.

Cointegration between stock prices, dividends, output and consumption

2015 ◽  
Vol 14 (1) ◽  
pp. 81-103 ◽  
Author(s):  
Angela J. Black ◽  
David G. McMillan ◽  
Fiona J. McMillan
Keyword(s):  
Stock Market ◽  
Stock Prices ◽  
Stock Return ◽  
Consumption Growth ◽  
Content Type ◽  
Cointegrating Vector ◽  
Long Run ◽  
Forecast Models ◽  
Theoretical Developments ◽  
Growth Forecasts

Purpose – This paper aims to empirically test for multiple cointegrating vectors in a holistic manner. Theoretical developments imply bivariate cointegration among stock prices, dividends, output and consumption where independent models identify key theoretical cointegration vectors. Design/methodology/approach – This paper considers both Johansen and Horvath–Watson testing approaches for cointegration. This paper also examines the forecasting power of these cointegrating relationships against alternate forecast variables. Findings – The results suggest evidence of a long-run cointegrating relationship between stock prices, dividends, output and consumption, although not necessarily linked by a single common stochastic trend; each series responds to disequilibrium with greater evidence of a reaction from dividends and consumption – of note, output responds to changes in stock market equilibrium; and there is forecast power from the joint stock market–macro cointegrating vector for stocks returns and consumption growth over the historical average. Of particular note, other forecast models that include consumption perform well and suggest a key role for this variable in stock return and consumption growth forecasts. Originality/value – This is the first paper to combine the cointegrating relationships between stocks, dividends, output and consumption. Thus, the empirical validity of stated theoretical hypotheses can be analysed. The forecast results also demonstrate the usefulness of this. They also show that forecast models that include consumption perform well and suggest a key role for this variable in stock return and consumption growth forecasts.

Does Information-Processing Cost Affect Firm-Specific Information Acquisition? Evidence from XBRL Adoption

2016 ◽  
Vol 51 (2) ◽  
pp. 435-462 ◽  
Author(s):  
Yi Dong ◽  
Oliver Zhen Li ◽  
Yupeng Lin ◽  
Chenkai Ni
Keyword(s):  
Information Processing ◽  
Information Acquisition ◽  
Stock Return ◽  
Natural Experiment ◽  
Securities And Exchange Commission ◽  
Specific Information ◽  
Business Reporting ◽  
Processing Cost ◽  
Voluntary Program ◽  
Machine Readable

AbstractWe examine how information-processing cost affects investors’ acquisition of firm-specific information using a natural experiment resulting from a recent mandate requiring U.S. firms to adopt eXtensible Business Reporting Language (XBRL) when submitting filings to the U.S. Securities and Exchange Commission (SEC). XBRL filings make financial data standardized, tagged, and machine readable. We find that XBRL adoption reduces firms’ stock return synchronicity. The reduction in synchronicity mainly applies to filings under the mandatory program as opposed to the voluntary program. Furthermore, such an effect is more pronounced for opaque and complex firms. Finally, we find that XBRL adoption also reduces price delay.

Dynamic Relationship between Crude Oil and Stock Prices in India: Before And After the Subprime Financial Crisis 2008

GIS Business ◽  
2019 ◽  
Vol 14 (6) ◽  
pp. 96-104
Author(s):  
P. Sakthivel ◽  
S. Rajaswaminathan ◽  
R. Renuka ◽  
N. R.Vembu
Keyword(s):  
Financial Crisis ◽  
Crude Oil ◽  
Stock Prices ◽  
Oil Prices ◽  
Energy Index ◽  
Data Set ◽  
Dynamic Relationship ◽  
Crude Oil Prices ◽  
Long Run ◽  
Before And After

This paper empirically discovered the inter-linkages between stock and crude oil prices before and after the subprime financial crisis 2008 by using Johansan co-integration and Granger causality techniques to explore both long and short- run relationships.  The whole data set of Nifty index, Nifty energy index, BSE Sensex, BSE energy index and oil prices are divided into two periods; before crisis (from February 15, 2005 to December31, 2007) and after crisis (from January 1, 2008 to December 31, 2018) are collected and analyzed. The results discovered that there is one-way causal relationship from crude oil prices to Nifty index, Nifty energy index, BSE Sensex and BSE energy index but not other way around in both periods. However, a bidirectional causality relationship between BSE Energy index and crude oil prices during post subprime financial crisis 2008. The co-integration results suggested that the absence of long run relationship between crude oil prices and market indices of BSE Sensex, BSE energy index, Nifty index and Nifty energy index before and after subprime financial crisis 2008.

Impact of Sustainability Reporting on Firm Performance of Companies in India

2015 ◽  
Vol 4 (3) ◽  
Author(s):  
Priyanka Garg
Keyword(s):  
Environmental Sustainability ◽  
Rural Livelihoods ◽  
Sustainability Reporting ◽  
Annual Reports ◽  
Marginal Lands ◽  
Great Ability ◽  
Reporting Practices ◽  
Long Run ◽  
Short Run ◽  
Core Idea

The core idea of sustainability is that current decisions should not impair the prospects for maintaining or improving future living standards (Repetto, 1986). GRI (2006) defined sustainability as meeting the needs of the present without compromising the ability of future generations to meet their needs. The challenges of sustainable development are many and it is widely accepted that organizations have not only a responsibility but also a great ability to exert positive change on the state of the worlds economy, and environmental and social conditions. Further, the issue of environmental sustainability is intertwined with that of poverty and inequity. The causative relationship runs both ways- increased poverty and loss of rural livelihoods accelerates environmental degradation as displaced people put greater pressure on forests, fisheries, and marginal lands. The present study has made an attempt to investigate the relationship between sustainability reporting and financial performance of companies in India. Data have been collected with the help of annual reports of selected companies and Prowess Database. Collected data have been analyzed with the help of SPSS 16.0. The study shows that sustainability reporting practices of companies has improved over the time. Further, research reveals that sustainability reporting practices of a firm impact its performance negatively in short run while positively in long run.

scholarly journals IPO’s Long-Run Performance: Hot Market versus Earnings Management

2021 ◽  
Vol 14 (3) ◽  
pp. 132
Author(s):  
Tsai-Yin Lin ◽  
Jerry Yu ◽  
Chia-Yi Lin
Keyword(s):  
Earnings Management ◽  
Information Asymmetry ◽  
Explanatory Power ◽  
Market Condition ◽  
Relative Importance ◽  
Long Run ◽  
Hot Market

One of the IPO-related anomalies that have been well-discussed in the finance literature is the IPO’s long-running underperformance. Two of the major explanations of that phenomenon are: “Hot market” and earnings management. This study investigates the relative importance of these two explanations to the IPO’s long-run underperformance. Our results show that although both hot market and earnings management play a role in explaining IPO’s long-run performance in their own rights, earnings management no longer exhibits significant explanatory power when the IPOs are issued in the cold market. While the IPOs that are issued in the hot market still tend to underperform in the long run even if the firms do not engage in earnings management. Our findings are consistent with the literature related to the information asymmetry in IPO market. And, because the information asymmetry is more severe in hot market condition, IPOs issued in hot market tend to exhibit poorer returns than those issued in cold market.

Stock Price Jumps and Cross-Sectional Return Predictability

2013 ◽  
Vol 48 (5) ◽  
pp. 1519-1544 ◽  
Author(s):  
George J. Jiang ◽  
Tong Yao
Keyword(s):  
Stock Prices ◽  
Stock Price ◽  
Stock Return ◽  
Return Predictability ◽  
Value Premium ◽  
The Other ◽  
Stock Return Predictability ◽  
Cross Sectional ◽  
Return Dynamics

AbstractWe identify large discontinuous changes, known as jumps, in daily stock prices and explore the role of jumps in cross-sectional stock return predictability. Our results show that small and illiquid stocks have higher jump returns to the extent that cross-sectional differences in jumps fully account for the size and illiquidity effects. Based on value-weighted portfolios, jumps also account for the value premium. On the other hand, jumps are not the cause of momentum or net share issue effects. The findings of our study shed new light on stock return dynamics and present challenges to conventional explanations of stock return predictability.

scholarly journals Disposition Effect and Return Predictability in the Tunisian Stock Market

2017 ◽  
Vol 4 (1) ◽  
pp. 1
Author(s):  
Cheïma Hmida ◽  
Ramzi Boussaidi
Keyword(s):  
Stock Market ◽  
Behavioral Finance ◽  
Stock Prices ◽  
Stock Price ◽  
Return Predictability ◽  
Capital Gains ◽  
Disposition Effect ◽  
Individual Investors ◽  
Long Run ◽  
Return Reversal

The behavioral finance literature has documented that individual investors tend to sell winning stocks more quickly than losing stocks, a phenomenon known as the disposition effect, and that such a behavior has an impact on stock prices. We examined this effect in the Tunisian stock market using the unrealized capital gains/losses of Grinblatt & Han (2005) to measure the disposition effect. We find that the Tunisian investors exhibit a disposition effect in the long-run horizon but not in the short and the intermediate horizons. Moreover, the disposition effect predicts a stock price continuation (momentum) for the whole sample. However this impact varies from an industry to another. It predicts a momentum for “manufacturing” but a return reversal for “financial” and “services”.

Block trading, information asymmetry, and the informativeness of trading

2015 ◽  
Vol 5 (3) ◽  
pp. 215-235 ◽  
Author(s):  
Ningning Pan ◽  
Hongquan Zhu
Keyword(s):  
Information Asymmetry ◽  
High Frequency ◽  
Stock Return ◽  
High Frequency Data ◽  
Individual Investors ◽  
Specific Information ◽  
Frequency Data ◽  
Information Effect ◽  
Content Type ◽  
Two Measures

Purpose – The purpose of this paper is to investigate how block trading and asymmetric information contribute to the firm-specific information measured by the stock return synchronicity. Based on China stock market which is dominated by individual investors, this study focus on whether traders of block trading, which are usually institutional investors, are “information trader.” Design/methodology/approach – Based on the high frequency data, the paper constructs two measures of information asymmetry, intraday measure and inter-day measure. Then the paper constructs a multiple regression model and examine how block trading and information asymmetry contribute to the firm-specific information measured by the stock return synchronicity. Findings – The results show that: on the one hand, block trading transmits more firm-specific information, and can reduce the synchronicity; on the other hand, when the degree of information asymmetry is higher, block trading contains more firm-specific information and has a stronger effect on synchronicity. The effect of information asymmetry specifically displays as: block trading during the first half-hour of the trading day has a stronger effect on synchronicity; and block trading occurred in the days with publicly announced trading information has greater impact on synchronicity. Practical implications – The conclusions have important practical implications: for market regulators, monitoring for block trading can improve the recognition and prevention of insider trading; for individual investors, especially the risk aversion investors, recognition of intraday and inter-day information asymmetry is beneficial for them to avoid the risk of asymmetric information. Originality/value – First, the domestic and foreign research mostly concentrated impact of block trading on stock prices. However, reasons of stock price changes include the information effect and non-information effect, this paper selects stock return synchronicity as firm-specific information measure, and mainly focus on the information effect of block trading. Second, based on the high frequency data, the paper constructs two measures of information asymmetry, intraday measure and inter-day measure. Compared with general measure of information asymmetry, such as firm size, earnings quality, the two measures based on high frequency data are more precisely.

scholarly journals Financial Markets’ Governance, Transparency and Informational Efficiency: Role of IfRS Norms, Auditors and Financial Analysts

2016 ◽  
Vol 9 (5) ◽  
pp. 100
Author(s):  
Imen Lamiri ◽  
Adel Boubaker
Keyword(s):  
Financial Markets ◽  
Stock Prices ◽  
Stock Price ◽  
Financial Analysts ◽  
Negative Relationship ◽  
Developed Countries ◽  
Coefficient Of Determination ◽  
Specific Information ◽  
Informational Efficiency

<p>This article explores the informational role of three essential modern financial markets actors such IFRS norms, the Big”4” and the financial analysts for a panel of emergent and developed countries during the period from 2001 to 2010. We hypothesis that these mechanisms help improving the quality of specific information incorporated into stock prices measured by the stock price synchronicity (SPS). The main result is that both financial analyst’s coverage and IFRS adoption's effects seem to be stronger for emerging than developed markets. The results also show a negative relationship between auditors’ opinion and coefficient of determination (R<sup>2</sup>).</p>

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