1. Nikolai Dmitriyevich Kondratiev was a Russian Soviet economist and proponent of the New Economic Policy best known for the business cycle theory known as Kondratiev waves.

1. Nikolai Dmitriyevich Kondratiev was a Russian Soviet economist and proponent of the New Economic Policy best known for the business cycle theory known as Kondratiev waves.
Nikolai Kondratiev was condemned and imprisoned in 1930, but continued to work until his execution during the Great Purge in 1938.
Nikolai Dimitrievich Kondratiev was born on 4 March 1892 in the Galuevskaya, a village near Vichuga, Kostroma Governorate, into a peasant family of Komi heritage.
Nikolai Kondratiev was tutored at the University of St Petersburg before the 1917 Russian Revolution by Mikhail Tugan-Baranovsky and Alexander Sergeyevich Lappo-Danilevsky.
In 1923, Nikolai Kondratiev intervened in the debate about the "Scissors Crisis", following the general opinion of his colleagues.
In 1924, after publishing his first book, presenting the first tentative version of his theory of major cycles, Nikolai Kondratiev traveled to England, Germany, Canada and the United States, and visited several universities before returning to Russia.
Nikolai Kondratiev coined the term "Kondratiev Waves" in respect for Nikolai Kondratiev.
Nikolai Kondratiev proposed a plan for agriculture and forestry from 1924 to 1928.
Nikolai Kondratiev upbraided me for associating with Sorokin and Kondratieff and told me he was going to send a report about Kondratieff back to Russia.
Nikolai Kondratiev was removed from the directorship of the Institute of Conjuncture in 1928 and arrested in July 1930, accused of being a member of a "Peasants Labour Party".
Nikolai Kondratiev's relatives were informed that he was condemned to "ten years without the right to correspond with the outside world".
Nikolai Kondratiev was 46 at the time of the execution.
Nikolai Kondratiev's collected works were first translated into English by Stephen S Wilson in 1998.