___, born during the Great depression, grew froma need to understand the entire economy and to provide guidance on how to manage it

Macroeconomics.

Explanation:

It is defined to be a branch of economies that studies the behaviour and performance of an economy, this is done by aggregating it, taking a reasonable forecast with its recent happenings, investments and economic rise and falls and also the

Put simply, it focuses on the way the economy performs as a whole in its decision making processes. These variables that are been looked at includes the likes of unemployment, GDP, and inflation. Experts are seen to provide models that are used in explanations on the listed factors in tackling economic imbalance of the said country's economy.

answer; i believe that the correct answer is (supply chain);

answersituation analysis;