There are two basic types of metamorphic rocks. Foliated metamorphic rocks such as gneiss, phyllite, schist, and slate have a layered or banded appearance that is produced by exposure to heat and directed pressure.
Image by Picture Taking Fool. Industrial Economics is the study of firms, industries, and markets. It looks at firms of all sizes â from local corner shops to multinational giants such as WalMart or Tesco. And it considers a whole range of industries, such as electricity generation, car production, and restaurants.
Definition of economics. 1a : a social science concerned chiefly with description and analysis of the production, distribution, and consumption of goods and servicesb : economic theory, principles, or practices sound economics. 2 : economic aspect or significance the economics of building a new stadium.