Suppose the federal tax on gasoline increased by 5 cents per gallon. Do you think that such an increase, reflected in the price of gasoline, would have a significant impact on gasoline consumption?

INFO: Yesterday, the price of envelopes was $3 a box, and Julie was willing to buy 10 boxes. Today, the price has gone up to $3.75 a box, and Julie is now willing to buy 8 boxes. What is Julie’s elasticity of demand? _____ (Hint: only a number goes here) Is Julie's demand for envelopes elastic or inelastic? Explain your answer in a complete sentence(s) here:

Suppose the price elasticity of demand for cigarettes is -0.7 and that the government can essentially set the price of cigarettes by altering the tax rate. If the government wishes to reduce the quantity of cigarettes demanded by 20 percent, how much must it raise the price of cigarettes? The government, to achieve its goal, must raise the price of cigarettes by percent. (Enter your response rounded to two decimal places)

What will happen to the gross margin generated by the iPad if Apple reduces the price by €100?

An increase in the supply of a good is expected to have what effect on its price? What will be the effect on the demand for substitutes?

The figure below represents the market for Gasoline, where initially the equilibrium price was $5.60. The picture shows the effect of a $1.50 tax on gasoline. Using the information from the figure, what is the price elasticity of supply(Using the Midpoint method) when moving from equilibrium to the new supply after the tax?(round your answer to 2 decimal places)