The purpose of this exercise is to compare the estimates and standard errors obtained by correctly using 2sls with those obtained using inappropriate procedures. use the data file wage2.csv. (a) use a 2sls routine to estimate the equation log(wage) = β0 + β1educ + β2exper + β3tenure + β4black + u, where sibs is the iv for educ. report the results in the usual form.

In general, as long as the number of firms that possess a particular valuable resource or capability is less than the number of firms needed to generate perfect competition dynamics in an industry, that resource or capability can be considered and a potential source of competitive advantage.answers: valuablerareinimitableun-substitutable

During the first month of operations, martinson services, inc., completed the following transactions: jan 2 martinson services received $65,000 cash and issued common stock to the stockholders. 3 purchased supplies, $1,000, and equipment, $12,000, on account. 4 performed services for a customer and received cash, $5,500. 7 paid cash to acquire land, $39,000. 11 performed services for a customer and billed the customer, $4,100. martinson expects to collect within one month 16 paid for the equipment purchased january 3 on account. 17 paid for newspaper advertising, $600. 18 received partial payment from customer on account, $2,000. 22 paid the water and electricity bills, $430. 29 received $2,600 cash for servicing the heating unit of a customer. 31 paid employee salary, $2,900. 31 declared and paid dividends of $1,800. requirements 1. record each transaction in the journal. key each transaction by date. explanations are not required. 2. post the transactions to the t-accounts, using transaction dates as posting references. label the ending balance of each account bal, as shown in the chapter. 3. prepare the trial balance of martinson services, inc., at january 31 of the current year. 4. mark martinson, the manager, asks you how much in total resources the business has to work with, how much it owes, and whether january was profitable (and by how much)?

Match the steps for conducting an informational interview with the task involved in each step or its purpose. 1. research your chosen career field. 2. identify someone to interview. 3. prepare for the interview. 4. conduct the informational interview. 5. follow up with your interviewer. a. learn more about a company that interests you. b. encourage the interviewer to do most of the talking while you take notes. c. write a handwritten -you letter to express that you want to stay in touch. d. make contact through email, a phone call, or mail to arrange the meeting. e. choose a conservative, professional ensemble to wear.