Liability rules, property rights, contract enforcement, and standards for weights and measures affect the for people to produce and exchange goods and services.

royalties
exchange rates
incentives

The answer is "C. incentives".

An incentive is an object, thing of significant worth or wanted activity or occasion that goads a representative to accomplish a greater amount of whatever was supported by the business through the picked incentive. You need to deal with your incentives so as to not make entitled representatives. You likewise would prefer not to demotivate workers.  

Employee incentives can assume a noteworthy job in holding the workers you most need to keep. They likewise assume a colossal job in attracting employees to join your association.