Thursday, August 20, 2009

Trash Talk



I recently moved from Philadelphia, where trash and recycling pick-up are included in property taxes, to a smaller town where my taxes cover recycling but not trash pick-up. The waste management companies where I currently live offer several pricing options for garbage collection:

1. Pay-by-weight at the dump: The catch is that there’s a minimum $15 fee, so you need to generate lots of garbage to make this worthwhile.

2. Pay-by-the-can pick up: You pay a nominal charge, usually about $3-$3.50, per 33-gallon trash can. Under this option, your fee fluctuates directly with the amount of garbage you produce.

3. Flat rate: You pay a flat monthly fee of say $10, and this includes only 1 trash can pick-up per week. If you have more than one can, you pay an additional fee, but if you don’t have any trash, you will not receive any credit for future collections. This service makes sense if you reliably generate 1 can per week.

I decided to go with option two: pay-by-the-can pick up. Each Tuesday morning, I put out my 33-gallon trash can (if it’s full), and the lowest cost trash company I could find ($3.00 per can) comes to collect. The window in my home office overlooks the road, so I typically hear any cars and trucks that drive by. To my surprise, I heard five different waste management trucks drive by my house in one day! My immediate reaction was: How can this be efficient? Surely there are economies of scale to trash pick up?

Consider the following simple example. Suppose there are four houses located along Country Road. The road is a one way street, so the only way to drive by any of the houses is to drive east along Country Road, passing by all four houses with any trip. If a trash collection company is hired to pick up trash for House 1, what are the additional costs associated with picking up trash at any of the other three houses?


One could argue that the additional costs are negligible. In other words, the cost of picking up trash at the first house is high because you have to have a trash collection truck, a worker to drive it, a worker or two to collect the trash, fuel, etc. But once you’re out on Country Road, the marginal cost of collecting trash from the surrounding houses is just the wear and tear on the truck’s brakes, a slight wage expense to your workers, and the cost of taking care of the additional waste (such as bringing it to the local dump).

It’s probably true that the average cost curve for a trash collection company is not strictly downward sloping since once a certain number of houses are served, the company would need to obtain additional trucks and workers. I would still argue that there are economies of scale for trash collection companies once they enter a particular neighborhood. It seems silly to me that in a given week I see at least ten different trash collection trucks drive by my street.

Wouldn’t it be more profitable for all companies if they each monopolized a small region? The additional cost of collecting trash from a neighboring house must be smaller than the additional cost of servicing a house in an entirely different neighborhood. Even without changing prices, revenue would probably remain constant while costs would decline, leading to higher profits for each firm.

Discussion Questions

1. What kind of market structure does trash collection represent? If the city decided to step in and control trash collection for my town, what pricing options might it choose?

2. Do consumers benefit at all from having several waste management companies to choose from with different pricing schemes?

3. If the city allowed waste management companies to “monopolize” particular neighborhoods, how might this affect the market? What are the effects of competition on prices, welfare, and pick-up quality (such as timeliness, effectiveness, etc)?

4. Given the number of trash collection companies in my neighborhood, what does this say about the profitability of this industry? If the town does not have strict anti-trust laws, would it be profitable for one firm to buy out all the others? What problems might arise if only one firm controlled trash collection for my entire town?

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Wednesday, May 17, 2006

Sony Turns Up the Volume



When is a bad idea a good idea? Consider "loss leaders," where stores sell products below cost to lure consumers in to buy the sale item and then get them to purchase other stuff on which there is a higher profit margin. How about free cell phones when you sign a service contract?

Sony's announcement of its new Playstation 3 provides another example. Last Tuesday, Sony announced the release date and pricing for PS3. At $499 for the basic model, the PS3 runs about $100 more than the price of Microsoft's Xbox 360. Even so, rumor has it that Sony will take a big hit on the PS3. An article from Cnet News.com reports production costs for the PS3 at $700 to $900 per unit. (See Cnet's breakdown of costs.)

So how can losing $200-$400 on every unit make sense for Sony? It all depends on the popularity of the PS3. Product development is risky and sometimes produces costly failures. These numbers do not represent long-run average costs, and the $700 probably includes some development costs. The Cnet article notes that unit costs drop rapidly after product introduction. Since product configuration does not change after introduction, as output ramps up, Sony can expect rapidly falling component costs. Sony should be able to negotiate volume discounts for the parts and, as with most electronics products, the cost of these parts should fall over time. So, there are large startup costs but marginal cost falls as production increases. This is a common phenomenon. Cnet's sources indicate that component costs should fall to $320 after three years, which would provide a handsome margin on each PS3--nearly $200 per unit--assuming flat pricing on the PS3.

But how else could they make money?
  • Game console producers make a lot of money from the games for these systems--either through their own production or through licensing. So if Sony can break even on the PS3 console, it can still make a killing from game sales if the PS3 wins the battle of the new game systems. These can be considered tie-in sales.

  • Sony has bundled a Blu-ray DVD player into the PS3. Blu-ray is one of two competing formats for high-definition DVDs (the other is HD DVD). Sony is betting a lot of money that Blu-ray will be the dominant format for the next generation of high-definition disks. A successful PS3 would tie lots of consumers to the Blu-ray DVD format, and improve the chances of the success of this standard, which would spill over to sales of other equipment. One could call this a type of network externality.
So, selling for an initial loss may not be a losing proposition after all.

1. Could Sony be successful--win the game system battle with Microsoft--and lose the war? How?

2. When discussing loss leaders, the presumption is a product sold below cost. Which costs are we talking about: average cost, marginal cost, or some other cost?

3. Presumably our discussion implies that Sony expects to work its way down its long-run average cost (LRAC) curve. What factors affect its ability to do this? Why would Sony's production costs fall as the scale of its PS3 production increases in the long run?

4. The information indicates that production costs would fall by at least 50% over a three-year period. Is this a short enough time period for Sony to benefit from these reductions? What would the expected product life be for a game system like the PS3? What happens to the price of these systems over the product life cycle?

Harold Elder is a Professor of Economics at the University of Alabama. His research and teaching focuses on applied microeconomics, including law and economics, public sector economics, and a range of public policy topics. He regularly teaches Principles of Microeconomics in the College of Commerce and Business Administration and is the advisor for his university's Masters and Ph.D. programs.

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