The Concept of "Invisible Hand" Introduced by Adam Smith Explains

question 11

Multiple Choice

The concept of "invisible hand" introduced by Adam Smith explains:

• A)why people act in their own best interests.
• B)why the government intervenes to overcome failures in private markets.
• C)how people,acting out of self-interest,unintentionally promote the general good.
• D)how comparative advantage and specialization promote international trade.
• E)how the creation of goods and services generates its own demand by creating employment and income.

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Definitions:

Factorial Randomized Clinical Trial

An experimental study design that looks at the effects of two or more treatment variables simultaneously by varying them independently within the same study.

Cross-sectional Study

A type of observational study that analyzes data from a population at a specific point in time.

Phase II Clinical Trial

A type of study designed to assess the efficacy and further evaluate the safety of a drug or therapy in a larger group of participants than phase I trials.

Intention-to-treat Analysis

An approach in clinical trials where participants are analyzed in the groups to which they were originally assigned, regardless of whether they completed the intervention.