 Complete the following phrase:  Philip Hanson, author of The Rise and Fall of the Soviet economy: an Economic History of the USSR from 1945, claims that the label stagnation is not entirely unfair. Brezhnev, according to Hanson, did preside over a period of slowdown in economic growth, but claims that the era started with good growth that was at a higher rate than during the end of Khrushchevs rule. Economic slowdown began in 1973 when even the official estimates began to show Soviet per capita production no longer closing the gap with the US. Before 1973, there was a reform period launched by Alexei Kosygin, which many believed would become as 