Questions what is the main features of the socialist economy?

Life of William Petty and his contributions to the science.

Key words: Writings, thoughts, role of the state in the economy, labour.
Sir William Petty, (born May 26, 1623, Romsey, Hampshire, England—died December 16, 1687, London), English political economist and statistician whose main contribution to political economy, Treatise of Taxes and Contributions (1662), examined the role of the state in the economy and touched on the labour theory of value. He first became prominent serving Oliver Cromwell and the Commonwealth in Ireland. He developed efficient methods to survey the land that was to be confiscated and given to Cromwell's soldiers.

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     Life of Francois Quesnay and his contributions to the science.
     

Key words: Writings, thoughts, economic table.
François Quesnay, (born June 4, 1694, near Paris, France—died December 16, 1774, Versailles), French economist and intellectual leader of the physiocrats, the first systematic school of political economy.
Quesnay served as the consulting physician to King Louis XV at Versailles. Late in life he developed an interest in economics, publishing his first book on the subject in his 60s. With the support of Madame de Pompadour, he and fellow physiocrat Jean de Gournay became influential in the Secte des Économistes, whose members looked to Quesnay as their leader.
Economic Table is an economic model first described by French economist François Quesnay in 1758, which laid the foundation of the Physiocratic school of economics.
Quesnay believed that trade and industry were not sources of wealth, and instead in his 1758 manuscript Tableau économique (Economic Table) argued that agricultural surpluses, by flowing through the economy in the form of rent, wages, and purchases were the real economic movers.

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     German historical classic school members
     

Key words: their biographies, thoughts and writings
The paper is organised as follows: section 2 provides an overview of the German Historical School; section 3 presents Schmoller’s program as the core of the German Historical School and its impact on Schumpeter’s theoretical system; section 4 investigates the influence of Weber’ work on Schumpeter, while section 5 discusses the impact of Sombart upon Schumpeter; section 6 concludes the paper.
Hülsmann (2007) and Hayek ([1922] 1981) have argued that Mises’s first book The Development of the Relationship between Lords of Manor and Peasants in Galicia, 1772–1848 (1902) is written in the tradition of the German Historical School. Historicist contemporaries of Mises also considered his first academic work a continuation of the Knapp-Grünberg tradition (Kaser Jahrbuch für Gesetzgebung, Verwaltung und Volkswirtschaft im Deutschen Reich, 28(1), 374–79, 1904; Wimbersky, 1906). We argue that von Mises (1902) does not represent the younger German Historical School. First, Mises provides a rationalization of the history rather than ethical and cultural explanation of historical events. Second, he does not support the Knapp-Grünberg argument about the historical development of serfdom under a Slavic rule. Finally, von Mises (1902) does not adhere to the ideology of the Historical School regarding the virtues of the Prussian bureaucracy.

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