What is an economic model that allows economists to examine competition among businesses in the same industry?

Computing depreciation, net book value, and gain or loss on asset sale lynch company owns and operates a delivery van that originally cost $46,400. lynch has recorded straight-line depreciation on the van for four years, calculated assuming a $5,000 expected salvage value at the end of its estimated six-year useful life. depreciation was last recorded at the end of the fourth year, at which time lynch disposes of this van. compute the net bookvalue of the van on the disposal date.

The prebisch–singer hypothesis concludes that: a. technology lowers the cost of manufactured products, so developing countries should see an increase in their terms of trade. b. developing countries experience a long-run decline in their terms of trade, as the demand for primary products in higher-income countries declines relative to their demand for manufactured goods. c. because of unfair trading practices, labor in developing countries is exploited. d. opec has been responsible for a slowdown in the world's standard of living.

Rosie and her brother michael decided recently to purchase an rv together. they both want to use the rv to take their families camping. the price of the rv was $10,000. since michael expects to use the rv 60% of the time and rosie 40% of the time, michael contributed $6,000 and rosie contributed $4,000. their ownership percentage equals their contribution percentage. which type of property titling should they use to reflect their ownership interest?