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In this paper we assume that choice of commodities at the individual (household) level is made in the budget set and that the choice can be described by a probability density function. We prove that negativity (()0xExp<) is valid for one(x) or two choice variables (x, y) (No Giffen good).Negativity at the market level is valid by summation. The expected demand functions are homogeneous of degree zero in prices and income. We use general positive continuous functions f(x), f(x, y) defined on the bounded budget set. We transform them into probability density functions to calculate E(x) and prove negativity. The present approach use simple assumptions and is descriptive in its nature. Any choice behaviour that can be described by a continuous density function gives the above results. (,,)xyppm Why not keep descriptions as simple as possible?<p>

In this paper we assume that choice of commodities at the individual (household) level is made inside the budget set and that the choice can be described by a probability density function. We prove that law of demand()0xExpis valid for one(x) or two choice variables (x, y)*. The law of...

Paratransit provides the majority of road transport in South Africa and many other countries in the sub-Saharan African region. However, perceptions of electric vehicles (EV) and the factors that influence intention to adopt EVs for the critical agents in this sector, vehicle owners and drivers,...

We examine how attitudes and willingness to pay (WTP) for climate policies have changed over the past decade in the United States, China, and Sweden. All three countries exhibit an increased willingness to pay for climate mitigation. Ten years ago, Sweden had a larger fraction of believers in...