who is jerry a hausman 
jerry a hausman is an economics professor and director of the mit telecommunications economics research program1 dr hausman s research has focused on applied microeconomics econometrics differentiated products telecommunications taxation energy aging and the environment investopedia julie banglife and careerborn in west virginia in 1946 he first joined mit in 1973 as an assistant professor dr hausman holds a ph d from oxford university where he was a marshall scholar he has earned numerous awards honors and fellowships including the john bates clark award and the frisch medal dr hausman is widely published and has been an associate or advisory editor for numerous economics journals 2proving that a cerebral economist of his magnitude can be deployed behind the scenes in business dr hausman has been a consultant for retailers including starbucks kellogg s anheuser busch tesco s and home depot in 2018 he was hired as a scientific advisor by teikametrics3 a retail optimization platform rop for sellers on amazon and other marketplaces there is an opportunity to help millions of sellers using data and econometrics to help them make better decisions on pricing advertising and inventory selection the technology we are building at teikametrics is helping retailers and brands compete in this dynamic new retail economy this is the future of retail hausman said in a statement having an advisor like dr hausman to apply advanced data science techniques within the amazon ecosystem should only make the online juggernaut even more formidable contributionshausman has written numerous research articles in theoretical and applied econometrics4 he is most well known for his work in developing the durbin wu hausman test and has also done extensive research on the telecommunications industry and on the estimation of price indexes this well known statistical test shows the extent to which statistical models correspond to the data under study known as the durbin wu hausman test it is a test for endogeneity in an econometric model and is helpful for statisticians in determining whether a model will ultimately be effective in calculating p values basically the bottom line for statistical significance or non significance hausman is a recognized expert in the economics of the telecommunications industry his applied research in this area has ranges from the effects of taxation and regulation in the industry to the welfare benefits to consumers of innovation in cellular telephones and networks for example his work on telecom taxation has demonstrated that taxes on wireless services can impose a far greater burden on the economy than the revenue they raise for governments5 hausman s recent work has also included a focus on price indexes such as the consumer price index cpi and the benefits to consumers that result from lower prices through large discount retailers his research indicates that failing to properly account for the lower prices offered by retailers such as walmart supercenters the resulting changes in shopping patterns as consumers take advantage of the lower prices and the improvement in the quality of differentiated products and services offered by these outlets all introduce substantial upward bias into the cpi 