Supply and Demand Concepts

The video tutorial explains the factors that cause shifts in the supply curve, using the acronym SPITES: Sellers, Productivity, Inputs, Taxes, Expectations, and Supply Shocks. Each factor is discussed in terms of how it can increase or decrease supply, with examples like donut shops and salsa production. The tutorial also covers the impact of external events like weather and historical events on supply.

What does the acronym SPITES stand for in the context of supply curve shifts?

• Supply, Price, Income, Technology, Expectations, Sellers

• Supply, Productivity, Income, Taxes, Expectations, Sellers

• Sellers, Productivity, Inputs, Taxes, Expectations, Supply Shocks

• Sellers, Price, Inputs, Taxes, Economy, Supply

How does an increase in the number of sellers affect the supply curve?

• It makes the supply curve steeper.

• It causes no change in the supply curve.

• It shifts the supply curve to the left.

• It shifts the supply curve to the right.

What is the effect of technological advancements on supply?

• They increase the supply.

• They make the supply curve vertical.

• They have no effect on supply.

• They decrease the supply.

If the cost of inputs decreases, what happens to the supply of a product?

• Supply remains unchanged.

• Supply increases.

• Supply decreases.

• Supply becomes unpredictable.

How do business taxes affect supply?

• Higher taxes increase supply.

• Higher taxes decrease supply.

• Taxes have no effect on supply.

• Lower taxes decrease supply.

What happens to supply if sellers expect future prices to decrease?

• Supply decreases now.

• Supply becomes erratic.

• Supply increases now.

• Supply remains the same.

What is a supply shock?

• A predictable change in supply.

• A gradual change in supply.

• An unexpected event affecting supply.

• A sudden increase in demand.

Which of the following is an example of a positive supply shock?

• A decrease in the number of sellers.

• A natural disaster destroying crops.

• A technological breakthrough in production.

• An increase in business taxes.

How did World War II act as a supply shock for the United States?

• It decreased the supply of goods.

• It had no effect on supply.

• It made supply unpredictable.

• It increased the supply of goods.

What is the impact of poor weather on agricultural supply?

• It increases supply.

• It decreases supply.

• It makes supply more efficient.

• It has no effect on supply.