What is the purpose of providing a ledger account for each account?

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Why is following an unrelated diversification strategy especially advantageous in an emerging economy? a. it allows the conglomerate to overcome institutional weaknesses in emerging economies. b. it allows the conglomerate to form a monopoly in emerging economies. c. it allows the conglomerate to use well-defined legal systems in emerging economies. d. it allows the conglomerate to take advantage of strong capital markets in emerging economies.

David consumes two things: gasoline (g) and bread (b). david's utility function is u(g, b) = 10g^0.25 b^0.75. use the lagrange technique to solve for david's optimal choices of gasoline and bread as a function of the price of gasoline, p_g, the price of bread, p_b, and his income m. with recent decrease in the price of gasoline (maybe due to external shock such as shale gas production) does david increase his consumption of gasoline? for david, how does partial differential g/partial differential p_g depend on his income m? that is, how does david's change in gasoline consumption due to an increase in the price of gasoline depend on his income level? to answer these questions, find the cross-partial derivative, |partial differential^2 g/partial differential m partial differential p_g.