With the notion of success in a series of trials extended to refer to a run of like outcomes, several new distributions are obtained as the result of sampling from an urn without replacement or with additional replacements. In this context, the hypergeometric, negative hypergeometric,...

In order to control for censoring and the integer nature of trip demand, the use of count ata models in travel cost analysis is attractive. Two such models, the Poisson and negative binomial, are discussed. Robust estimation techniques that loosen potentially stringent distributional assumptions...

The aim of this work is to determine the demand factors for cesareans in Portugal. This work is exploratory and preliminary. Data is aggregated in NUTSII , for the period 2002-10. The number of cesareans performed is count data which requires the estimation of this panel data by a negative...

The paper attempts to explain the number of independent candidates in Indian parliamentary election in the year 2004. The statistical models developed are applications and generalizations of Poisson and Negative Binomial distributions. Our results suggest that the distribution of independent...

Futures contracts on the New York Mercantile Exchange are the most liquid instruments for trading crude oil, which is the world’s most actively traded physical commodity. Under normal market conditions, traders can easily find counterparties for their trades, resulting in an efficient market...

This article investigates price and trading volume relations for near term crude oil contracts at the New York Mercantile Exchange (NYMEX). The study investigates the informativeness of after-hours trading under the prior assumption that daytime and after-hours trading sessions are completely...

This chapter analyzes the possibility of manipulation in futures markets, concentrating on the effects that manipulation may have on their informational efficiency . We use the concept of manipulation as it arises in the study of noncooperative games with imperfect information . The problem can...

This paper utilizes a new approach to an examination of price impacts of speculators on futures markets. It focuses initially on specially obtained data on commodity “pools,” which are large funds of money that may move quickly between and across futures markets and other financial markets;...

The September 30, 1978 legislation (P.L. 95-405), which renewed the authority of the CFTC to regulate futures markets, directs the Commission to solicit the advice of the Treasury and the Federal Reserve before authorizing any additional futures contracts that specify delivery of U.S. Government...

In a recent article, Ederington (1979) examined the hedging performance of financial futures markets using a portfolio model derived from the hedging theories of Stein (1961) and Johnson (1960). His article concluded that GNMA futures were more effective than T-Bill futures in reducing price...