This thesis is comprised of two independent essays on the topics of impact evaluation, and one essay on the housing wealth-effect. The essays address key questions on welfare and spending decisions made by households when subject to government assistance programs and increases in housing prices. The first essay deals with a large scale pro-poor government assistance program in Kenya. It studies the impact of extension services on rural households, to understand whether the SIDA-funded program led to sustainable improvements in the treated households’ livelihoods. The results suggest that the treated households increased fertilizer dosage, and had higher household expenditures. However, the treatment did not impact farming revenues and outpu...