This paper estimates, using the most recent Irish Household Budget Survey of 2004/2005, a double hurdle model to determine the socio-economic and socio-demographic factors affecting participation and expenditure of Irish households on the national lottery. Of particular interest is the effect of...

When “income” in a system of demand equations is defined as total expenditure, actual expenditure on any commodity must lie between zero and income, or equivalently, budget shares must lie between zero and one. But models for expenditures or shares are often the sum of deterministic...