What Is Meander Line? Meander line refers to a survey line used for mapping purposes, commonly abutting a body of water, that changes if the waterway changes. Key Takeaways Meander line refers to a survey line used for mapping purposes, commonly abutting a body of water, that changes if the waterway changes.Meander lines differ from
What Is Mean Reversion? Mean reversion, or reversion to the mean, is a theory used in finance that suggests that asset price volatility and historical returns eventually will revert to the long-run mean or average level of the entire dataset. This mean level can appear in several contexts such as economic growth, the volatility of
What Is a Means Test? A means test is a method for determining whether someone qualifies for financial assistance to obtain a service or good, for instance, welfare payments. It looks at the means, or monetary resources, a person has available to them to pay for a particular service or good, then determines that person’s
What Is a Mean-Variance Analysis? Mean-variance analysis is the process of weighing risk, expressed as variance, against expected return. Investors use mean-variance analysis to make investment decisions. Investors weigh how much risk they are willing to take on in exchange for different levels of reward. Mean-variance analysis allows investors to find the biggest reward at a
What Is a Medallion Signature Guarantee? A medallion signature guarantee is one of several special certification stamps that guarantees a signature that authorizes a transfer of securities is authentic. Parties will generally require a medallion signature guarantee when an owner wants to sell or transfer securities—such as stocks or bonds—held in physical certificate form. If
What Is the Media Effect? The media effect describes how certain stories that the news or media publishes may influence and/or amplify current price trends in a particular asset class, sector, or overall market. If this theory holds true, after reading a headline or article, investors or borrowers tend to be influenced by headlines and
What Is the Median? The median is the middle number in a sorted, ascending or descending list of numbers and can be more descriptive of that data set than the average. It is the point above and below which half (50%) the observed data falls, and so represents the midpoint of the data. The median
What Is the Medical Cost Ratio (MCR)? Medical cost ratio (MCR), also referred to as medical loss ratio, is a metric used in the private health insurance industry. The ratio is calculated by dividing total medical expenses paid by an insurer by the total insurance premiums it collected. A lower ratio likely indicates higher profitability
What Are Medical Expenses? Medical expenses are any costs incurred in the prevention or treatment of injury or disease. Medical expenses include health and dental insurance premiums, doctor and hospital visits, co-pays, prescription and over-the-counter drugs, glasses and contacts, crutches, and wheelchairs, to name a few. Medical expenses that are not reimbursed are deductible within
What Is Medical Identity Theft? Medical identity theft involves the fraudulent use of a person’s health insurance information to receive reimbursement for healthcare services provided to an individual not covered by the policy. Both patients and providers may commit fraudulent medical claims, depending on circumstances. Other times, the information is stolen by employees or external hackers
