Rosemarie Emanuele

"Math Geek Mom"

Although she holds a Ph.D. in economics from Boston College, Rosemarie Emanuele is a professor and the chair of the Department of Mathematics at Ursuline College in Pepper Pike, Ohio, just outside of Cleveland. She loves to teach math but also pursues research related to the economics of nonprofit organizations and volunteer labor, and has published in both economics and interdisciplinary journals — as well as in the book that inspired this blog. She is the proud mother of a wonderful daughter.

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Most Recent Articles

August 2, 2012
There is a classic problem from Algebra that torments many a math student. If one driver leaves New York going 150 miles an hour, and another leaves Chicago going 200 miles an hour, where do they meet? (the answer- jail; they both were arrested for speeding!) Another classic problem haunts Calculus students, in which the volume created by revolving a function around a line is calculated. It is that latter problem that I was reminded of as I watched daughter, who would soon be too big to be riding such a small animal, ride a pony last weekend.
July 26, 2012
There is a concept in statistics called “expected value.” This is the expected outcome of any situation that involves probability, and is found by multiplying the possible outcomes by the probability that each will occur and then adding these products together. Expected value calculations are why it is generally thought that one should not play the lottery, as some claim that the lottery is a “tax on people who did not do well in math
July 19, 2012
When I teach sampling in my statistics classes, I often talk about the role that Ohio has traditionally played in determining the outcome of presidential races. This was something that I was blissfully unaware of growing up on the East Coast, where I was led to believe that anything that mattered in the country happened east of the Hudson River. Now that I live in Ohio, I realize that my adopted state has often played an important role in determining the final outcomes of presidential races, and that this year’s race promises to be no different. Indeed, those of us who live in Ohio cannot turn on the radio or TV these days without encountering ads from both sides of the isle. This is particularly annoying to those of us who tend to watch or listen to the news, as such programs are where political ads are being concentrated at this point in the race.
July 12, 2012
When the unusual heat gripped my part of the U.S. in the last few weeks, I did the only logical thing to do - I packed up each evening and took my daughter, and often a neighborhood friend or two, to the public pool. It was a great relief from the heat, and provided a wonderful end to the day. We often play together, splashing in the water that looks like a tortoise shell in the fading sunlight. However, she also likes to go off to swim with her friends, leaving me to either swim laps, to observe what is going on at the pool or to chat with fellow parents, many of whom are also left alone while their children play. As I sat back and took a breath, I found myself noticing several things.
July 5, 2012
We like to joke in economics that we economists seem to always have two hands. We are known for saying “on the one hand” and then explaining some policy implication, only to follow quickly with “on the other hand”, followed by a conflicting policy implication. I found myself thinking of this recently while on vacation as I debated the merits and costs of possibly buying a laptop computer or a tablet.
June 28, 2012
Many people are familiar with the race for partner that takes place in many law firms, and with the struggle for tenure that occurs in academia. These two cases are examples of what game theory calls a “tournament,” in which many workers compete for some prize based on their productivity. It is seen as a way to encourage workers to do their best and to act in ways that are in the best interest of their employer. I thought of this concept recently when I spent some time on the campus of my first job out of graduate school, a job that I left only steps ahead of what would almost definitely have been a tenure denial. As I went back there to work on some research, I realized that while the experience had been difficult, I had landed on my feet.
June 21, 2012
Like most people, my first encounter with the word “Monopoly” was through the board game by that name. It would be years before I studied the workings of a market controlled by a monopoly, but as a child I loved to become part of intense games of Monopoly, acquiring as many houses and hotels as I could with the money I had and earned from my investments. I thought of those little houses that dotted the spaces on the board game when I took my daughter and her friend to play in a very special park recently.
June 14, 2012
I find it interesting when economics is applied to offbeat topics.This is done in the best seller “Freakonomics,” which looks at a variety of social issues using the tools of economics. My own research applies the discipline of economics to studying altruism and nonprofit organizations, topics that are probably not the first things that come to mind when one thinks of economics. I also recall the professor who taught me macroeconomics many years ago, whose own research was on “envy”. I found myself thinking of him recently as I ran into one of my daughter’s former teachers as we stopped by the library on the way home from her summer camp. With wet hair and a bathing suit under her shorts, the teacher said that she looked like she was having fun. I could only add “I want her life.”
June 7, 2012
There is a function in math called the “Greatest Integer Function,” which assigns a value to every number that is the largest integer less than or equal to that number. For example, the numbers 1, 1.2 and 1.9 would all have a value of 1 for this function. As you can imagine, this leads to a graph that looks a lot like a set of stairs, and is the typical example used when describing what a “discontinuous” function looks like. I found myself thinking of this over the past week, as I watched my daughter move up a grade in school.
May 31, 2012
As I age, my eyes are staring to betray me. This is something that I particularly notice when I am reading things that involve superscripts or subscripts, which occurs often in math and economics.

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