Answer to Test #2: Zero Sales Growth, Negative Volatility


Volatility and Sales GrowthAnswer to Test #2: Zero Sales Growth, Negative Volatility

Yellow Highlighting=Change from Beginning of Period


End of Period

Customers in Market

Amt Purch from all Suppliers

Primary Supplier

Primary Supplier % of Cust Purch Units of Sale by Primary Supp

Secondary Supplier

Secondary Supp % of Cust Purch Units of Sale by Secondary Supp
Customer A 1500 Supplier 1 60% 900 Supplier 2 40% 600
Customer B 0 Supplier 1 80% 0 Supplier 2 20% 0
Customer C 1000 Supplier 2 50% 500 Supplier 3 50% 500
Customer D 0 None 0% 0 None 0% 0
Total 2500 1400 1100
Suppliers in Market Amount
Sold
% Total Market Share
Supplier 1 900 36.0%
Supplier 2 1100 44.0%
Supplier 3 500 20.0%
Total 2500 100.0%


Summary of Changes During Period

Supplier

Change in Unit Sales Volume % Volume Change from Beginning to End Net Unit Volatility in Volume Change Volatility as % of Unit Sales Volume Change

Customer Growth in Volume Change

Customer Growth as % of Unit Sales Volume Change
Supplier 1 -960 -51.6% -960 100% 0 0%
Supplier 2 -240 -17.9% -240 100% 0 0%
Supplier 3 0 0.0% 0 0% 0 0%
Total -1200 -32.4% -1200 100% 0 0%

Explanation: In order for this condition to exist, a customer must leave the market, and the remaining current customers must buy the same number of units. We reached our answer by having Customer B leave the market.