But then a process began that accelerated during the 1980s and 1990s and caused the financial near-collapse of Ludwigshafen. The enormous maintenance costs of the buildings and institutions introduced during the “fat time”, new tax regulations that cut down the trade tax profits from the local industries, and thousands of dismissals in BASF were the main causes for the city's crisis. Loss of population due to the loss of working places and general economic trends, such as the oil crises, further worsened Ludwigshafen's financial situation at the end of the 20th century.