The analysis will be conducted within an IS-LM model augmen-ted by the dynamics of money wages, private capital andpublic debt. A macroeconomic shock induces an extendedprocess of adjustment that is characterized by unemployment.This in turn requires a dynamic path of monetary and fiscalpolicy: As a response to the shock, the central bankcontinuouslyadapts the quantity of money so as to keep upfull employment all the time. And the governmentcontinuously accommodates its purchases of goods andservices. Can this be sustained? Or will public debt tend toexplode, thereby driving the stock of capial down to zero? The analysis will be conducted within an IS-LM model augmented by the dynamics of money wages, private capital and public debt. A macroeconomic shock induces an extended process of adjustment that is characterized by unemployment. This in turn requires a dynamic path of monetary and fiscal policy: As a response to the shock, the central bank continuously adapts the quantity of money so as to keep up full employment all the time. And the government continuously accommodated its purchases of goods and services. Can this be sustained? Or will public debt tend to explode, thereby driving the stock of capital down to zero?