Welding Is a Dangerous and Dirty Job

question 64

Multiple Choice

Welding is a dangerous and dirty job.Suppose someone developed new machinery that made welding safer and cleaner at the same time it made welders more productive.What would we expect would happen to the wages of welders

• A)They would rise since labour productivity increases.
• B)They would fall since there is less demand for welders.
• C)They would rise if the change in the demand for welders is greater than the change in the supply of welders.
• D)They would fall if the change in the demand for welders is greater than the change in the supply of welders.

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Definitions:

Recency Effect

The tendency to better remember information that is encountered last in a series.

Salience Effect

Refers to the tendency of individuals to focus on items or information that stand out more noticeably or are more significant to them.

Depth of Processing

A theory suggesting the depth (shallow to deep) of mental processing affects memory recall; deeper processing leads to better recall.

Retroactive Interference

The phenomenon where newly learned information interferes with the recall of information learned previously.