This paper examines how efficiently the price premium for non-genetically modified (non-GM) soybeans at the Tokyo Grain Exchange (TGE) react to an announcement to change the contract unit, suppliers, and expiration date on the conventional soybean futures contract. Intervention analysis is used...

This study tests the price linkage among the U.S. major energy sources, considering structural breaks in time series. We use the Johansen cointegration method and find that only weak linkage sustains among the NYMEX WTI crude oil, Brent crude oil, gasoline, heating oil, coal, natural gas,...

This study investigates how markets for different levels of copper purity are interrelated by testing the long-run price linkage and causalities among the copper futures, primary, copper scrap, and brass scrap markets. It is expected that copper markets that deal with high purity levels, such as...

The market linkages among the non-genetically modified (non-GM) soybean, conventional soybean, and cor futures markets at the Tokyo Grain Exchange are investigated to find out if the two soybean futures markets and the corn futures market share price information in the presence of unknown...

This paper investigated whether the effect of the shale gas revolution on the U.S. gas market is still a domestic phenomenon or this revolution is influencing the global natural gas market. We used the Bai-Perron test to identify the break date related to the shale gas revolution and tested the...

By drawing on neurological and psychological theories of learning, our study introduces a new conceptual framework to analyse the role learning plays in knowledge and skill acquisition. Learning is modelled through four mechanisms defined as individuals' participation in formal, non-formal, and...

Assume that two players have strict rankings over an even number of indivisible items. We propose algorithms to find allocations of these items that are maximin—maximize the minimum rank of the items that the players receive—and are envy-free and Pareto-optimal if such allocations exist. We...

In January 1999, Hugo Chavez was sworn like the president of the Republic of Venezuela. In the late 1999 was approved the Bolivarian Constitution and was the beginning of the V Republic. Currently, after 14 years, Venezuela is governed by his politic party. This article starts a research work to...

This paper intends to explore the utilization of entropy through football, generalizing the interpretation of entropy. We consider it as a measure of competitiveness of football leagues and relate it to the UEFA ranking, which ranks yearly the performance of countries in European Cups. We expect...

In this paper we investigate how the different characteristics of European multinational firms affect their decision to locate in different foreign markets. Considering the existence of n geographically separated markets with different attributes, in terms of entry or fixed costs, variable...