Introduction to Fish Banks, Ltd. • Criterion of Success • Financial Information • Changes in Fish and Ships • Initial Conditions • Materials • Steps of Play Fish Banks, Ltd. © 2001 Dennis L. Meadows

Maximum possible assets at the end of the game. Criterion of Success Criterion of Success Maximum possible assets at the end of the game. ASSETS = + $ $ $ SHIPS’ SALVAGE VALUE BANK BALANCE Fish Banks, Ltd. © 2001 Dennis L. Meadows

Profit = Income - Expenses INTEREST EARNINGS SHIP TRADE SALES FISH SHIP AUCTIONS & TRADE PURCHASES NEW ORDERS INTEREST CHARGES HARBOR & OPERATING COSTS Fish Banks, Ltd. © 2001 Dennis L. Meadows

Income Catch x Price ($20 per fish) 10% if Minimum Balance is greater than zero Negotiated Price Fish Banks, Ltd. © 2001 Dennis L. Meadows

Expenses Harbor: $50/ship-year Coastal Fishery: $150/ship-year Deep Sea Fishery: $250/ship-year New Ships: $300 each (charged current year but delivered following year) Auction: Highest Bid Trade: Negotiated Price 15% if Minimum Balance is less than zero. Fish Banks, Ltd. © 2001 Dennis L. Meadows

Profit Example 1 Ship to Deep Sea Fish Sales = 25 x $20 $500 Operating Cost -250 Deep Sea Subtotal $250 1 Ship to Coastal Fish Sales = 15 x $20 $300 Operating Cost -150 Coastal Subtotal $150 1 Ship to Harbor Fish Sales $0 Operating Cost -50 Harbor Subtotal -$50 Profit from 3 Ships $350 Fish Banks, Ltd. © 2001 Dennis L. Meadows

Ship Salvage Value The ship salvage value calculated each year is the price that would be paid for each ship, if the game ended in that year. The ship salvage value may be a constant set to a value between $0 and $500 or The salvage value may be set to equal the average profit per ship in all areas over recent years. The period over which average profit is calculated may be set to between 1 and 6 years. Fish Banks, Ltd. © 2001 Dennis L. Meadows

Sequence of Debits and Credits Fish Banks, Ltd. © 2001 Dennis L. Meadows

Fishing Fleet • Initial Size • Enlarging - Auction - Trade - Construction • Reducing White = 1 Ship Red = 5 Ships Yellow = 10 Ships Fish Banks, Ltd. © 2001 Dennis L. Meadows

Catch Catch influenced by: Number of Ships Ship Effectiveness Weather Fish Banks, Ltd. © 2001 Dennis L. Meadows

Ship Effectiveness 25 Fish Banks, Ltd. © 2001 Dennis L. Meadows

Fishing Areas Deep Sea Fishery Coastal Fishery Maximum Population: Annual Operating Cost: $250 per Ship-Year Productivity (Normal Ship Effectiveness): 25 Fish per Ship-Year Coastal Fishery Maximum Population: 1000 - 2000 Fish Annual Operating Cost: $150 per Ship-Year Productivity (Normal Ship Effectiveness) 15 Fish per Ship-Year Fish Banks, Ltd. © 2001 Dennis L. Meadows

Regeneration of Fish Fish Banks, Ltd. © 2001 Dennis L. Meadows

Recent History of the Fisheries Fish Banks, Ltd. © 2001 Dennis L. Meadows

Game Board Fish Banks, Ltd. © 2001 Dennis L. Meadows

Decision Sheet Fish Banks, Ltd. © 2001 Dennis L. Meadows

Participants’ Steps of Play Receive and record computer-generated numbers on Decision Sheet under "Annual Report." Collect ships. Bid for auctioned ships. Buy or sell ships in trading sessions. Place orders for new ship construction. Calculate and record fleet size. Allocate ships among fishing areas & harbor and record decisions on Decision Sheet. Place ships on game board. Give Decision Sheet to game operator. Fish Banks, Ltd. © 2001 Dennis L. Meadows