Lionel Robbins 1932 defined economics as a science that studies human behaviour as a relationship between ends and scarce means which have alternative uses. it believes in principle of maximization, rationality and law of demand and supply.
Scope limited to advanced societies and only economics not social cultural contexts
Subject matter includes complex production techniques. Statistics. regulated economy and distribution. Consumption patterns. Monetary exchange. Effect of law bureaucracy and economy
Deals with formal economy
Methodology. Inductive method. Study in separate from society. Statistics and data analysis heavy.
Economic anthropology e as per Plattner is that studies economic behaviour as thoroughly embedded in social cultural aspects.
Scope universal and studies history e culture kinship religion. Linkages.
Focus on primitive and present societies initially
Subject matter. evolution of subsistence strategies, production techniques, modes of exchange, primitive markets, interpersonal relationships society and economy.
Deals with emperical economy
methodology. Field work. Participation observation. Cross cultural comparison.
But today both subjects are converging and economics now focuses on behaviour economics of humans not just rational entity.