We present a new R software package lawstat that contains statistical tests and procedures that are utilized in various litigations on securities law, antitrust law, equal employment and discrimination as well as in public policy and biostatistics. Along with the well known tests such as the...

While the internet has provided consumers with new ways to purchase goods, it also has allowed less scrupulous businesses and individuals to offer poor quality or mislabeled items. In particular, the operators of internet auction sites may not guarantee the quality or genuineness of the items...

The TARP and related programs to strengthen the financial system have not been successful in making credit available to the typical American family. Indeed, banks have raised their fees and credit card companies have also raised their rates or charges for international transactions etc. Thus,...

The substantial increase in economic inequality in favour of the upper income group in the United States and many other developed and developing nations during the past thirty years has become a major concern in public policy. Modifications of the standard measures of inequality, the Lorenz...

The Gini index is the most commonly used measure of income inequality. Like any single summary measure of a set of data it cannot capture all aspects that are of interest to researchers. One of its widely reported flaws is that it is supposed to be overly sensitive to changes in the middle of...

In two related decisions in Chamber of Commerce of the United States of America v. Securities and Exchange Commission the D.C. Federal Court of Appeals ruled that the SEC had not fully complied with some provisions of the Administrative Procedures Act when it required that the boards of...

The tension between the meaning of causality in science and law or public policy is well-known; however, defendants in product liability cases or industries that might be affected by a government regulation may try to convince the fact-finder to require evidence of a causal relationship that...

On November 5, 2020, the Office of Federal Contract Compliance in the Department of Labor issued new rules codifying the procedures it will use to resolve equal employment issues. First, this paper summarizes the new rules focusing on how the agency will use and evaluate statistical evidence in...