1. The central economic problems of an economy are typically referred to as the fundamental questions that need to be addressed in the allocation of resources and the production of goods and services. 
2.  These problems are often summarized as:

    (1) What to Produce?
    (2) How to Produce?
    (3) For Whom to Produce?

These questions encompass the allocation of resources, production methods, and the distribution of goods and services in an economy.

Therefore, the statement "Scarcity of Resources" is not one of the central problems; instead, it is a fundamental concept that underlies the central problems of allocation and choice in economics. So, the correct answer is:

      (2) Scarcity of Resources