In the present paper was to assess the performance of soybean cultivars different environments or planting dates. The variable of interest was performance dry matter per hectare of these cultivars with different maturity groups. We compare two statistical techniques often used for this data:...

This study shows that 1936-1990 preschool blood lead trends explain 65% of the 1948-2001 variation in USA mental retardation (MR) prevalence, 45% of the 1953-2003 variation in the average Scholastic Achievement Test (SAT) verbal score, and 65% of the 1953-2003 variation in the average SAT math...

This paper investigates inter-relationships among the price behavior of oil, gold and the euro using time series and neural network methodologies. Traditionally gold is a leading indicator of future inflation. Both the demand and supply of oil as a key global commodity are impacted by...

Abstract After emerging from the U.S. real estate and financial markets, financial crisis has gradually become global. Due to both primary and secondary mortgage market problems in the U.S. are accepted as the essential reasons of the current crisis, it is believed that financial markets and...

This paper compares the theory of value and distribution of Arrow and Debreu [1954] with that of Sraffa [1960]. I consider such versions of the two models that capture their salient features, without aiming at the greatest possible generality, so as to isolate the precise nature of the...

The efficient government finance will increase economic growth and thereby income distribution. This research has been formulated an efficiency theory of production and finance. This research compared the government expenditure patterns into two situations. One, when a government borrows and...

We develop a parsimonious general equilibrium model where agents allocate time across three activities: production, trade, and leisure. Leisure includes time spent socializing, which economizes transaction costs. Our framework yields multiple equilibria in terms of the number of social ties and...

The paper reviews the concepts of system dynamics and its applications to the simulation modeling of financial institutions daily activity. While widely applicable, the approach is of a particular interest in transitional and developing economies. The hybrid method of banking business processes...

The purpose of this paper is to analyze the multilevel methodology in order to estimate the effect of primary care physician in the pharmaceutical expenditure of the patient. We use individual data from population that is part of the Spanish public health system in the Autonomous Community of...

Many decisions in different fields of application have to take into account the joined effects of two elements that can interfere with each other. For example, in Industrial Economics the demand of an asset can be influenced by the supply of another asset, with synergic or antagonistic effects....