Steve went to his favorite hamburger restaurant with $3, expecting to buy a $2 hamburger and a $1 soda. when he arrived he discovered that hamburgers were on sale for $1, so steve bought two hamburgers and a soda. steve's response to the decrease in the price of hamburgers is best explained by: the substitution effect. the income effect. the price effect. a rightward shift in the demand curve for hamburgers.

True or flase? a. new technological developments can us adapt to depleting sources of natural resources. b. research and development funds from the government to private industry never pay off for the country as a whole; they only increase the profits of rich corporations. c. in order for fledgling industries in poor nations to thrive, they must receive protection from foreign trade. d. countries with few natural resources will always be poor. e. as long as real gdp (gross domestic product) grows at a slower rate than the population, per capita real gdp increases.