Consider this statement: "persistent inflation in a growing economy is possible only if the aggregate demand curve shifts rightward over time at a faster pace than the rightward progression of the long-run aggregate supply curve." this statement is describing

This statement is describing demand pull inflation.

Explanation:

If the aggregate demand increases the demand curve will shift rightwards. But if the increase in demand is higher than increase in supply this will lead to an increase in the price level. The output level will increase but constant increase in price will cause inflationary pressures. This is referred toa as demand-side inflation.

the correct answer is economics is a game without winners or losers.

unlike sports or games economic is a game without losers or winner rather it is a game where everyone wins. parties of business doing businesses exchange money with each other and hence exchange is done on the basis of goods. one party takes the goods and other sales it so there is winner on both sides. each party values more highly the good it gets than the good it gives up. both sides exchange only because both intend to increase their value. so there is no concept of lose or win.