Each country has a unique economic system to allocate its scarce resources. however, the economic system of most of the world's nations are a combination of the system and the system.

center planning ; Price.

Explanation:

the blank will be filled with central planning; Price.

center planning system is the system in which the decision is taken by the central government.  

Most of the world's nation believe in the central planning system for economic decisions.

The price system is the system in which money is used for the valuation and distribution of goods and services.      

answer: musical connotation

leonard b. meyer (1918-2007) was an american composer, author and philosopher. his work emotion and meaning in music is perhaps the first major treatise on music. it is a philosophical and psychological work, greatly influenced by koffka (one of the major proponents of gestalt psychology). his work deals with the problem of musical meaning and musical communication.