There are two synergistic approaches for increasing productivity that are...
There are two synergistic approaches for increasing productivity that are inversions of each other:
1. Limit tasks to the important to shorten work time (80/20).
2. Shorten work time to limit tasks to the important (Parkinson’s Law).
The best solution is to use both together: Identify the few critical tasks that contribute most to income and schedule them with very short and clear deadlines.