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###### joyline yegon
more than 4 weeks ago

# Boumol model of cash?

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more than 4 weeks ago
The Baumol model of cash management is an economic model that helps businesses determine the optimal amount of cash to hold in order to minimize transaction costs and opportunity costs. The model was developed by economist William Baumol in 1952.

According to the Baumol model, businesses should balance the costs of holding cash (such as the opportunity cost of not investing that cash) with the costs of converting non-cash assets into cash (such as transaction costs or the cost of borrowing money). The model suggests that businesses should hold a certain amount of cash that minimizes the total cost of holding and converting cash.

The formula for the Baumol model is:

EOQ = √(2TD/C)

Where:
- EOQ = Economic Order Quantity (optimal cash balance)
- T = Total cash needed over a period of time
- D = Annual cash demand
- C = Cost of converting non-cash assets into cash

By using the Baumol model, businesses can determine the optimal amount of cash to hold in order to efficiently manage their cash flow and minimize costs.
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more than 4 weeks ago
Boumol Model of Cash Management

The Boumol model is a mathematical model used to determine the optimal balance of cash a firm should hold to minimize the combined costs of holding cash and the costs of replenishing cash when needed.

Assumptions:

- Firms face a fixed cost (F) to replenish cash.
- Each transaction requires a cash balance of D.
- Demand for cash follows a uniform distribution with a mean of T/2.
- Transactions occur randomly throughout the period.
- Interest rates and inflation are not considered.

Formula:

```
Optimal Cash Balance (Q-) = √(2-F-D/T)
```

where:

- F is the fixed cost to replenish cash
- D is the average cash withdrawal per transaction
- T is the time period over which cash is held

Derivation:

The Boumol model balances two opposing costs:

- Holding Cash Cost: Occurs when the firm holds excess cash, which earns no return.
- Replenishment Cost: Incurred when the firm needs to replenish cash, which involves a fixed cost.

The model minimizes the sum of these costs. The formula is derived by calculating the total cost of holding and replenishing cash and solving for the value of Q that minimizes the total cost.

Example:

Suppose a firm has a fixed cost of \$25 to replenish cash, and the average transaction requires \$500. The time period over which cash is held is 30 days.

Using the Boumol model:

```
Q- = √(2-25-500/30) = √(25000/30) = √833.33 = \$28.87
```

Therefore, the optimal cash balance for the firm is \$28.87. This balance minimizes the total cost of holding and replenishing cash.

Strengths:

- Simple and easy to apply
- Provides a theoretical basis for cash management
- Indicates the trade-off between holding cash and replenishing cash

Limitations:

- Assumes fixed transaction costs and a uniform distribution of demand
- Does not consider interest rates or inflation
- May not be suitable for firms with irregular or seasonal cash flows
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