Contingency theory and MCS

What is contingency theory? List and explain at least six macro (organizational level) variables and their relationships with management control systems which appeared in the assigned readings.

Contingency theory utilizes the framework that there is no one best way to set up an organization or Management Control System (MCS), but that is contingent upon the macro variables such as the size of the firm, technological robustness, internal and external factors relative to the firm, the organizational structure itself, the degree of centralization, the degree of formalization, and the complexity of the firm itself. The manager must determine which of these the driving variables are because these are the one you can control.