The fact that the dollars spent on food have risen since the early 1980s but that food costs less now than it did then because Real food prices decreased over the period.
The rise or fall in food prices is directly influenced by geopolitical events, worldwide demand, exchange rates, governmental policies, diseases, crop yield, energy costs, the availability of natural resources for agriculture, food speculation, changes in how soil is used, and weather conditions.
In a free market, price controls are typically required by the government. They are typically used as a direct economic intervention technique to control the affordability of particular commodities and services, such as rent, gas, and food.
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