1. Study of activities of abnormal and unsocial human beings is not done is economics. Professor Robbins considered economics to be human science rather than social science.
2. Only economic activities are studied under economics. Economists accept economics in the form of a science as well as an art. In the form of science, they regard it to be not only positive science, but also normative science. There are two branches of economics. Pure economics and Applied economics – which are considered to be science and art respectively.
