A re-examination of the index effect: Gambling on additions to and deletions from the S&P 500's ‘gold seal’

This study examines the abnormal returns, trading activity, volatility and long-term performance of stocks that were added to the S&P 500 index. By using a three-factor pricing model that allows for firm size and value characteristics as well as market risk, we are able to shed new light on the widely observed ‘index effect’. We find that the CAPM tends to overstate the performance of large firms and to understate the performance of small firms. We also find a transitory increase in trading volume between the announcement and a few days after the effective date. In terms of the firm's operating performance, we find a significant increase in earnings per share after inclusion, which combines with the stock price rise to leave the average price-earnings ratio largely unaltered. Examining a unique sample of deletions of international companies and replacements with US companies, we find that deleted stocks experienced a considerable and permanent fall in price, inconsistent with the Investor Recognition Hypothesis. The “seal” of S&P 500 index membership has very long-term effects and inclusion appears not to be an information-free event.     

Dividend taxation and corporate investment: a comparative study between the classical system and imputation system of dividend taxation in the United States and Australia

In recent times a number of countries have initiated some important tax reforms to eliminate the distortions of double taxation. In this context, Australia adopted a dividend imputation system in 1987, while the US employed the 1986 Tax Reform Act (TRA). The analysis in this paper examines the effects on the level of corporate capital investment, on proxies for corporate tax rates, financial leverage, liquidity, capital intensity and firm size after controlling for the tax reforms. The empirical results provide evidence that: (1) dividend imputation as introduced in Australia is an effective way to reduce the distortions caused by the traditional system of taxation. (2) Compared with the TRA, dividend imputation has been better able to positively stimulate corporate capital investment. (3) TRA effect on corporate investment is more pronounced in the US for firms having a net operating loss. (4) Individual tax rates play a role in corporate investment decisions in both the US and Australia.

Nonlinear serial dependence and the weak-form efficiency of Asian emerging stock markets

The objective of this paper is to re-examine the weak-form efficiency of 10 Asian emerging stock markets. Using a battery of nonlinearity tests, the statistical results reveal that all the returns series still contain predictable nonlinearities even after removing linear serial correlation from the data. The next stage of sub-sample analysis using the Hinich [Hinich, M., 1996. Testing for dependence in the input to a linear time series model. Journal of Nonparametric Statistics 6, 205–221] bicorrelation test shows that the 10 Asian series follow a pure noise process for long periods of time, only to be interspersed with brief periods of strong nonlinear dependence. The exploratory investigation found that the cross-country differences in nonlinear departure from market efficiency can be explained by market size and trading activity, while the transient burst of nonlinear periods in each individual market can be attributed largely to the occurrence of economic and political events.     

University of Texas Roundtable on Recent Trends in U.S. Venture Capital

At a recent private equity conference hosted by the McCombs School of Business at the University of Texas in Austin, four venture capitalists representing the East and West Coasts provided testimony to the spread of the VC industry far beyond Silicon Valley to places like New York, London, and Berlin—as well as Austin itself. The result, in the words of one panelist, has been “a shift from Silicon Valley as the epicenter of so much innovation and growth to something more like a globally distributed network of capital, talent, and opportunity.” Along with this geographic expansion of the industry, perhaps the most notable change is the tendency of today's VCs to delay the IPOs of their portfolio companies and, by keeping them private longer, capture more of their growth in value. Whereas 20 years ago 90% or more of the value appreciation came after the IPO of a highly successful company (think about Micro‐Soft or Amazon.com ), a much larger share of the overall value creation now appears to be taking place before the IPO, thanks to the growing use of a funding vehicle known as private initial public offerings, or PIPOs. The use of PIPOs has enabled VC‐backed companies to attract large amounts of capital from large institutional investors like Fidelity—which in the past would not have invested in the company until the IPO—while retaining what the panelists view as significant advantages of private ownership and governance.     

Sustainability Auditing and Reporting: The Canadian Experience

This paper reviews the experience of 174 of Canada's largest 1500 public and private sector corporations which have begun to incorporate sustainable development management and reporting as part of their operations. Answers are provided to three main questions: Why have they implemented this initiative? What progress has been made in terms of sustainability audit practice – frequency, focus, organization of the audit team –, internal communication, and external reporting? And where has, and will the leadership for the sustainability audit movement come from as why? Sustainable development auditing and reporting in Canada is voluntary. Practice varies from an elementary level to a sophisticated integrated assessment of social, environmental, labour, sourcing and trading, and governance issues. The depth of practice and experience in this area depends on several factors, including: corporate commitment, the degree of public perception of sector-wide environmental issues, exposure to legal liability, and the extent of dialogue and transparency associated with the auditing process. Differences of opinion about accounting and auditing standards as well as whether all, or parts of, audits should be independent are explored. The sources of data used for this paper include the EthicScan Corporate 1500 DataBase, The Corporate Ethics Monitor, various reports prepared by EthicScan Canada, and the consultancies of both authors.     

Supply Chain Management in Cereal Grains: A Case Study from the U.S. Milling Wheat Industry

This paper studies supply chain management in the grain industry by investigating the effects of wheat quality on marketing arrangements between wheat producers, grain handling companies and processors. Wheat quality is defined by many different characteristics, broadly categorized into physical and intrinsic quality attributes. The complexity of wheat quality places limitations on the effectiveness of industry grading schemes in assuring end-use quality. In the U.S., wheat grading factors mostly reflect physical characteristics. Moreover, the U.S. wheat industry does little to regulate the intrinsic quality of new cultivars. Consequently, there is functional quality uncertainty in the U.S. wheat market, encouraging some individual processors to segregate wheat based on their own quality specifications. The costs and benefits of wheat segregation are illustrated with a case study of wheat procurement taken from the U.S. flour industry. Pendleton Flour Mills Inc. operates a stringent testing program to segregate wheat supplies with specific intrinsic quality attributes from the U.S. wheat market. The paper concludes that the inadequacy of the U.S. grading system in guaranteeing functional quality provides some processors with an incentive to manage the supply chain for milling wheat.     

Risk Analysis of Pension Fund Investment Choices

We provide a comprehensive and more consistent approach to analyse and compare the risk-return relationships of Australian superannuation investment options for the period January 1990 to December 2016. In estimating the risk profiles of the investment options, we allow for the movement of the asset classes over time by employing a varying coefficient panel estimation technique. We find that while risk increases across different investment options from moderate to aggressive options, using different percentages of identifying a balanced fund does not impact the long-term risk measurement. We equally find that the risk-return relationships of investment options are not sensitive to the modelling framework, except for the crisis analysis, in which the Fama-French five-factor model provides greater sensitivity.     

Financial data science: the birth of a new financial research paradigm complementing econometrics?

Financial data science and econometrics are highly complementary. They share an equivalent research process with the former’s intellectual point of departure being statistical inference and the latter’s being the data sets themselves. Two challenges arise, however, from digitalisation. First, the ever-increasing computational power allows researchers to experiment with an extremely large number of generated test subjects (i.e. p-hacking). We argue that p-hacking can be mitigated through adjustments for multiple hypothesis testing where appropriate. However, it can only truly be addressed via a strong focus on integrity (e.g. pre-registration, actual out-of-sample periods). Second, the extremely large number of observations available in big data set provides magnitudes of statistical power at which common statistical significance levels are barely relevant. This challenge can be addressed twofold. First, researchers can use more stringent statistical significance levels such as 0.1% and 0.5% instead of 1% and 5%, respectively. Second, and more importantly, researchers can use criteria such as economic significance, economic relevance and statistical relevance to assess the robustness of statistically significant coefficients. Especially statistical relevance seems crucial, as it appears far from impossible for an individual coefficient to be considered statistically significant when its actual statistical relevance (i.e. incremental explanatory power) is extremely small.     

GAINS FROM TRADE WITH VARIABLE TRADE ELASTICITIES

We measure gains from trade in multisector economies with nonhomothetic preferences where changes in trade costs generate reallocation of expenditure across sectors. We show how to measure the trade elasticity and how it relates to welfare. In this environment, the trade elasticity now varies both across countries and with levels of trade costs. In an application, we find that the trade elasticity varies substantially across countries and that the gains from moving from autarky to observed trade are on average between 24% and 28% greater than in a model where the trade elasticity is constant.