Comparisons across countries of the proportion of benefits provided in cash by governments to eligible parties can illustrate differences in economic and social policies. Particularly within redistribution programmes (such as unemployment and health assistance), governments can provide benefits in cash (e.g. pensions) or in kind (e.g. food stamps or housing vouchers). OECD member countries spend more money on in-kind goods and services than cash transfers. Cash transfers generally have lower transaction costs, larger multiplier effects in the economy and provide individuals with more choice. However, governments may prefer in-kind transfers because it may be hard to identify eligible individuals, they want to control the delivery process, and/or they want to ensure that individuals receive adequate food, medical services or housing.