2. why does scarcity drive our economy?

Productive resources are limited. Therefore people cannot have all the goods and services they want. As a result, they must choose some things and give up others. Like individuals, governments and societies experience scarcity because human wants exceed what can be made from all available resources.

sir frederic attributed inaccuracies to schemas. memory reconstruction is one part actual events and one part personal schema, which can result in inaccuracies when memories are reconstructed.