Which of the following variables is NOT typically used in econometric models to assess trading costs?   |  | B) | Size of the trade relative to liquidity. |  
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   Answer and Explanation
 The following are the variables typically used in econometric models: - security liquidity trading volume, market cap, spread, price; 
 - size of the trade relative to liquidity; 
 - trading style more aggressive trading results in higher costs; 
 - momentum e.g., buying stock costs more when the market is trending upward; and 
 - risk. 
 
 
 The following are the variables typically used in econometric models: - security liquidity trading volume, market cap, spread, price; 
 - size of the trade relative to liquidity; 
 - trading style more aggressive trading results in higher costs; 
 - momentum e.g., buying stock costs more when the market is trending upward; and 
 - risk. 
 
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