Here are some of the latest reports, surveys, and studies related to retirement, including research into Medicare Advantage plans, and age discrimination and work-related job risks.

Do you allocate your 401(k) investments based on how funds' names are listed alphabetically? Sounds crazy, right? Well, it could be that because it can be difficult to make those kinds of decisions, absent other information that's really helpful, you could scan a list of funds arranged alphabetically and well... Click.

In a research paper titled, Alphabeticity Bias in 401(k) Investing, the authors say structural factors which cause irrational investment in defined contribution savings plans are of great concern. Using a proprietary database of 401(k) plans they show that alphabeticity - the order that fund names appear when listed in alphabetical order - significantly biases participants' investment allocation decisions. While there appears to be a larger impact as the number of funds in the plan increases, this bias is strong even when relatively few funds are available in the plan menu. Importantly, their findings suggest that a more strategic ordering of funds could result in favorable outcomes for participants.

More of the latest retirement research:

SSRN: Expectations Uncertainty and Household Economic Behavior

SSRN: Investment Experience, Financial Literacy, and Investment‐Related Judgments

AARP Public Policy Institute: Supplemental Benefits Under Medicare Advantage Part 1: An In-Depth Look at What They Are Today

Employee Benefit Research Institute: Deferred Income Annuity Purchases: Optimal Levels for Retirement Income Adequacy

Center for Retirement Research at Boston College: What Financial Risks Do Retirees Face in Late Life?

National Bureau of Economic Research: Social Security and Retirement Timing: Evidence from a National Sample of Teachers

Urban Institute: How Secure Is Employment at Older Ages?

Commonwealth Fund: Proposed Changes to Medicare Part D Would Benefit Drug Manufacturers More Than Beneficiaries

Journal of the American Medical Association: Association of the Hospital Readmissions Reduction Program With Mortality Among Medicare Beneficiaries Hospitalized for Heart Failure and Association of Pharmacological Treatments With Long-term Pain Control in Patients With Knee Osteoarthritis: A Systematic Review and Meta-analysis

National Bureau of Economic Research: Social Security Reforms and the Changing Retirement Behavior in Sweden and Multigenerational Effects of Early Life Health Shocks

Organization for Economic Co-operation and Development: Working Better with Age: Japan

Statistics Canada: Reasons for working at 60 and beyond

U.S. Government Accountability Office: Medicare Fee-For-Service: Information on the Second Year of Nationwide Reduced Payment Rates for Durable Medical Equipment

National Bureau of Economic Research: Do State Laws Protecting Older Workers from Discrimination Reduce Age Discrimination in Hiring? Evidence from a Field Experiment and Trends in Employment and Social Security Incentives in the Spanish Pension System: 1980-2016

U.K. Department of Work and Pensions: Enabling retirement savings for the self-employed: pensions and long-term savings trials and Automatic enrolment evaluation report 2018

U.K. Office for National Statistics: Living longer: Fitting it all in - working, caring and health in later life

Got questions about the new tax law, Social Security, retirement, investments, or money in general? Want to be considered for a Money Makeover? Email Robert.Powell@TheStreet.com.