The main purpose of our study is to estimate the demand equation, and by using this equation we have to forecast the future demand. Economic theory postulates that the demand for a commodity arises from the consumers' willingness and ability (i.e., from their desire and want for the commodity...

Despite the frequency of tax changes and their potential importance to investors, there has been relatively little modeling of anticipated tax changes. Yet whether future tax reforms are predictable or not will have an enormous effect on estimates of the impact of current tax policies. This...