The operations research profession is now #2 in business jobs, up from #4 in 2015. O.R. has also risen to 18 from 20 in the list of 100 best jobs.
In 2008, thousands of children in China fell ill after drinking milk that had been adulterated with the chemical melamine.
This scandal inspired Liying Mu, University of Delaware assistant professor of operations management, to study ways to eliminate this dangerous and common problem.
“Milk adulteration, such as by adding, water, detergent or starch to milk, has been widely reported in many developing countries,” Mu said. “What are the reasons for those adulterations? And how can we solve the problem?”
In two papers published in top journals Management Science and Production and Operations Management, Mu’s team found three key reasons behind the milk adulteration problem, as well as a number of creative solutions.
Have a look for yourself at the five jobs with the highest percentage of women working in the profession...
These analysts use mathematical and analytical methods to help organizations solve complex problems, from using statistics to help inform decisions to gathering input from employees. Most operations research analysts have master’s degrees in operations research, engineering, computer science, mathematics or physics. Some entry-level positions are open to those with bachelor’s degrees.
This field only has 55.4% female workers, but that is still a considerable amount when looking at women in STEM. The reason for this, says analyst Laurie M. Orlov in her article on cio.com, is that jobs in the business technology arena capitalize on women’s greatest strengths in the workplace: “communication, collaboration and problem solving.”
Giving extra bed nets to children weakened by lack of food could significantly curb child deaths from malaria, according to a mathematical model revealed last month.
A study published in the Malaria Journal found that distributing insecticide-treated bed nets and supplementary food to undernourished children aged from six months to five years could help prevent their deaths from malaria. This is because children with malnutrition are much more likely than healthy children to succumb to the disease, the paper states.
The model proposed by Milinda Lakkam and [former Operations Research Editor-in-Chief and INFORMS Fellow] Lawrence Wein, two mathematicians at Stanford University in the United States, shows that such targeted distribution of insecticide-treated bed nets is better at reducing malaria deaths than random distribution. In one tested scenario, where malaria transmission was pegged as seasonal and intermittent, the distribution of bed nets specifically to undernourished children achieved a 69 per cent reduction in malaria mortality.
Why are unions having a tough time in this country? One reason is that companies are getting leverage. A recent study found that companies with a higher debt load were less likely to experience a strike during contract negotiations, particularly at companies with large unions, worse financial prospects, or underfunded pension plans. Some companies seem to anticipate this and load up on debt before contract negotiations, whereas companies that didn’t do this and experienced a strike subsequently add a ton of debt, particularly if the union won the strike. The debt gives the company a bargaining advantage by limiting how much earnings can be shared with workers vis-à-vis lenders, and often takes the form of stock buybacks, to avoid bringing money into the company.
Myers, B. & Saretto, A., “Does Capital Structure Affect the Behavior of Nonfinancial Stakeholders? An Empirical Investigation into Leverage and Union Strikes,” Management Science
Jeff Cohen
Chief Strategy Officer
INFORMS
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