Type-I and type-II errors effects do matter both from the rules enforcement perspective and vertically upward to rules enactment. The paper support conventional idea about detrimental influence on deterrence of both types of errors. At the same time special role of type-I errors is demonstrated...

Medication error testing is increasingly popular for potential pharmaceutical trademarks. The FDA is close to introducing rules regarding such testing as part of a new pharmaceutical product's approval. Such tests, however, have not yet been verified and are often the origin of "false...

I provide evidence that investors systematically overweight analyst forecasts by demonstrating that prices do not fully reflect the predictable component of analyst forecast errors. This evidence conflicts with conclusions in prior research relying on traditional approaches to predicting analyst...

Many economic decisions involve a binary choice - for example, when consumers decide to purchase a good or when firms decide to enter a new market. In such settings, agents' choices often depend on imperfect expectations of the future payoffs from their decision (expectational error) as well as...

We provide a new and superior measure of U.S. GDP, obtained by applying optimal signal-extraction techniques to the (noisy) expenditure-side and income-side estimates. Its properties - particularly as regards serial correlation - differ markedly from those of the standard expenditure-side...

This paper uses data from eight different consumption questionnaires randomly assigned to 4,000 households in Tanzania to obtain evidence on the nature of measurement errors in estimates of household consumption. While there are no validation data, the design of one questionnaire and the...