Managerial Economicsadvanced
Describe the cobweb model and explain why production time lags can create cyclical price and output movements.
Answer
The cobweb model considers a lag between the price observed by producers and their later production decisions. Producers may base current output on an earlier price, so supply responds after demand or market conditions have changed. Repeated delayed responses can produce cyclical movements in price and output.
Explanation
### The concept
The cobweb model focuses on a time lag between price information and production. A producer may decide how much to make based on a previous period’s price, but the resulting output reaches the market later. By the time it arrives, demand or other conditions may have changed. The delayed supply response can cause prices and output to move in cycles rather than settle immediately. The model highlights why timing matters when production cannot be adjusted instantly.
### What a good answer covers
- Identify the lag between observed price and later production.
- Explain that output decisions may rely on past prices.
- Connect delayed supply responses with cyclical market movements.
- Avoid claiming that every market cycle must follow the same path.
### Terms
- **Cobweb model**: a model of price and output cycles caused by delayed production responses.
### Remember
When production responds to yesterday’s price, today’s supply can arrive late.
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