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Institute for Operations Research and the Management Sciences


Increasing transparency in the healthcare sector: More might not be better

A new study suggests that increasing quality transparency in healthcare can improve social welfare in the short-term, but may have negative effects in the long-term. Policymakers should target specific patient populations, such as younger or urban patients, and incentivize hospitals to make socially optimal investments.

Researchers lift the curtain behind the 'black box' of data broker records

A study by INFORMS journal Marketing Science found that data records used in targeted advertising are not as reliable as assumed, with accuracy rates varying between demographics and interests. The researchers conducted field tests to assess the effectiveness of third-party consumer profiling and found mixed results.

Changes in driver shifts and pick-up choices for food delivery services can boost profits

New research published in INFORMS journal Transportation Science reveals that optimizing delivery driver shifts can reduce pick-up time by up to 50%, while choosing restaurants closer to the drop-off location can reduce delivery time by 17%. Additionally, order bundling has a limited cost improvement of less than half a percent.

Negative posts on Facebook business pages outweigh positive posts 2 to 1

Research found that negative posts receive more comments than positive ones and tend to attract more attention, highlighting the need for companies to respond to negative content strategically. The study analyzed data from 12,000 posts from Fortune 500 companies, finding a nearly 2:1 ratio of negative to positive posts on business pages.

SourceInstitute for Operations Research and the Management Sciences·JournalInformation Systems Research·DateSep 13, 2019

Employee contract structures in startups can be determining factors of success

A new study by Evgeny Kagan and colleagues found that incentive clauses in contracts work best for high-performing team members, while those who may not be high performers do not benefit from incentives. The researchers suggest delaying contracting to learn about team member personalities and adjusting contract structures accordingly.

Research reveals new plan to maximize rideshare availability by routing empty cars

Researchers develop a model to control empty car flow in geographic locations to optimize system-wide functionality, directing cars to different locations instead of waiting at the same spot. The algorithm calculates availability of empty cars when requested and finds new passengers quickly at destinations.

New research offers solution to reduce organ shortage crisis

A new study in INFORMS journal Management Science proposes a two-part method combining the donor-priority rule and freeze-period to increase organ quality and quantity. The solution is estimated to boost social welfare by $235 million a year and add 18 years to patient life expectancy, while increasing organ availability by 13%.

Student body diversity goals & giving parents a say in where their child goes to school

A new study by Thanh Nguyen and Rakesh Vohra proposes a solution that balances parental choice with diversity goals, using school choice programs to assign students to their preferred schools. This approach aims to close the opportunity gap while allowing parents to have a say in where their child attends school.

One-third of pre-approved prescription drugs have not completed the FDA approval process

New research reveals that 36% of post-market studies for pre-approved prescription drugs were not completed, with 50% taking an average of 5 years to begin. The study suggests that manufacturers lack incentive to complete these studies due to lax enforcement and high costs.

SourceInstitute for Operations Research and the Management Sciences·JournalManufacturing & Service Operations Management·DateAug 26, 2019

Legalized recreational marijuana a substitute for alcohol, but not tobacco

A new study finds that recreational marijuana legalization leads to a 8% increase in online searches for tobacco products, while searches for alcohol drop by 11%. However, the study also reveals that teenagers lose interest in cannabis after its legalization, contradicting common concerns about increased teen usage.

Student teams use O.R. and analytics to help GM introduce new autonomous vehicles to fleet

In the INFORMS O.R. & Analytics Student Team Competition, student teams from around the world used operations research (OR) and analytics to optimize autonomous vehicle delivery processes for General Motors. The winning team from Korea Advanced Institute of Science and Technology minimized total costs while satisfying all constraints.

Louisville Metropolitan Sewer District and Tetra Tech awarded the 2019 INFORMS Edelman Award

The Louisville Metropolitan Sewer District and Tetra Tech won the 2019 INFORMS Edelman Award for their successful implementation of Csoft, a software solution that maximizes storage, conveyance, and treatment capacities to better protect the environment. The project has saved over $200 million in infrastructure costs and improved commu...

Can predictive analytics help banks, consumers avoid overdraft issues? New study says, yes

A recent study found that data and predictive analytics can help address the issue of bank overdraft fees, which are a significant source of revenue for banks. The researchers developed policy simulations to show that alternative pricing strategies can increase bank revenue while improving consumer welfare.