In the study of the gray partridge and ring-necked pheasant in the United Kingdom, researchers found that gray partridges were declining. A parasitic nematode seemed to negatively affect partridges. The pheasants that carried the parasites were not negatively affected. Researchers performed an experiment in which they allowed both species to feed in one of two enclosures: enclosures with parasite eggs scattered on the floor or enclosures without parasite eggs. The results are shown in the nearby figure. What did the researchers conclude? Was competition occurring, and if so what type?
Definitions:
Actual Price Level
The Actual Price Level refers to the current general level of prices for goods and services in the economy at a specific point in time.
Actual Price Level
The current average of all prices of goods and services in an economy, indicating the cost of living and the economic environment.
Potential Output
The maximum amount of goods and services an economy can produce when it is fully employing its resources.
Aggregate Demand
The total demand for all goods and services in an economy at various price levels, over a specific time period.
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