1. Nicholas Johannsen also proposed a theory of effective demand in the 1890s. 2. Analysts generally agree that such conditions typically result in a deficiency of effective demand . 3. In another article called " Effective Demand Failures ", he presents the Corridor Hypothesis. 4. Firms can also exhibit effective demands or supplies that differ from notional demands or supplies. 5. Hence, the too-small amounts of real income and effective demand can be expected to shrink. 6. These in turn found it impossible to pay wages on time, dampening effective demand further. 7. At this point, productive capacity exceeds effective demand . 8. The components of effective demand management, identified by George Palmatier and Colleen Crum, are : 1. 9. Including power that must be kept in reserve, the effective demand on July 12 was 49, 090 megawatts. 10. MichaB Kalecki developed theories of effective demand similar to Keynes', based on Marxism rather than the neoclassical framework.