If the elasticity of demand curve for barley is -1.50 at all prices higher than the current price, we would expect that when bad weather reduces the size of the barley crop, total revenue of barley producers will fall.

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If the elasticity of demand for barley is -1.50, it means that a 1% increase in price will result in a 1.5% decrease in quantity demanded. Therefore, when bad weather reduces the size of the barley crop, the supply of barley will decrease, causing the price to increase. As a result of the price increase, the quantity demanded will decrease by a smaller percentage (1.5% for every 1% increase in price). This means that the total revenue of barley producers will increase despite the decrease in quantity demanded. Therefore, the statement that total revenue will fall is false.

If the Elasticity of Demand Curve for Barley Is -1