Question: Joseph Haslag is the Chair in Economics at the university whose post is named after the businessman who was CEO of what company?
Context: Hams Prairie (originally Ham's Prairie) is an unincorporated community in Callaway County, Missouri in the United States.  The town is located 5.5 miles south-southeast of Fulton, Missouri, whose post office handles its mail as part of zip code 65251. Kelly Township is a township in Union County, Pennsylvania, United States.  The population was 4,502 at the 2000 census.  The United States Penitentiary, Lewisburg is located in Kelly Township, and not in the nearby Borough of Lewisburg, whose post office serves most of the township (except for its northeastern corner, which is served by the West Milton post office). Norrisville is an unincorporated community in Harford County, Maryland, just south of the Pennsylvania state line in the extreme northwest section of the county.  It is primarily a farming community full of rolling hills and small valleys, and is part of the Deer Creek watershed.  The area is served by two state roads, Maryland routes 23 and 136.  A demographic profile estimates that the Norrisville area had a population of 2,931 as of 2000.  It lies at an elevation of 741 ft .  Norrisville is part of the White Hall zip code 21161, whose post office is located just over the Baltimore County line. Alexander Ivanovich Chuprov (Александр Иванович Чупров; 1841–1908) was a professor of political economy and statistics at Moscow University whose lectures provided the standard introduction to economics for late 19th-century Russian students. Charles D. Kolstad (born April 30, 1948) is an American economist, known for his work in environmental economics, environmental regulation, climate change and energy markets.  He is Professor and Senior Fellow at Stanford University (appointed in the Stanford Institute for Economic Policy Research, the Precourt Institute for Energy and the Department of Economics).  Prior to his appointment at Stanford, he was Professor of Economics at the University of California, Santa Barbara, appointed to both the Bren School of Environmental Science & Management and the Department of Economics.  Kolstad was also Chair of the UCSB Department of Economics and co-director of the University of California Center for Energy & Environmental Economics.  He has previously held a wide variety of academic positions, including at the University of Illinois, Harvard University, Stanford University and MIT. Wickham Bishops is a village and civil parish in the Maldon district of Essex, England.  It is located around three miles north of the town of Maldon and around two miles southeast of Witham, in whose post town it lies. Joseph Haslag (born March 28, 1961) is the Kenneth Lay Chair in Economics for the Department of Economics at University of Missouri in Columbia, Missouri.  In addition, he is the executive vice president of the Show-Me Institute, a free market research institute based in St. Louis, Missouri.  He also is executive director of the Economic & Policy Analysis Research Center in Missouri, which prepares forecasts and analyses used by the Missouri General Assembly and administrative units of state government. Shawangunk Correctional Facility is a maximum security prison for males located in the Town of Shawangunk, Ulster County, New York in the United States.  The facility lies just outside the Ulster County hamlet of Wallkill, whose post office serves it. André François-Poncet (13 June 1887, Provins, Seine-et-Marne – 8 January 1978) was a French politician and diplomat whose post as ambassador to Germany allowed him to witness first-hand the rise to power of Adolf Hitler and the Nazi Party, and the Nazi regime's preparations for World War II. Kenneth Lee "Ken" Lay (April 15, 1942 – July 5, 2006) was an American businessman.  He was the CEO and chairman of Enron Corporation for most of its existence and is a central figure in the Enron scandal.  Lay was indicted by a grand jury and was found guilty of 10 counts of securities fraud.  Lay died while vacationing, three months before his October 23 sentencing.  A preliminary autopsy reported Lay had died of a heart attack caused by coronary artery disease and his conviction was vacated.
Answer: Enron Corporation