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ChatGPT has Mastered the Principles of Economics: Now What?
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2023-04-20
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ChatGPT is a natural language processing model that can generate conversational style responses to user inputs. It also performs extremely well on a popular standardized assessment used in principles of economics courses around the country. ChatGPT ranked in the 91st percentile for Microeconomics and the 99th percentile for Macroeconomics when compared to students who take the TUCE exam at the end of their principles course. The emergence of artificial intelligence presents a significant challen
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1
ChatGPT has Mastered the Principles of Economics: Now
What?
Wayne Geerling
1
, G. Dirk Mateer
2
, Jadrian Wooten
3
and Nikhil Damodaran
4
Abstract
ChatGPT is a natural language processing model that can generate
conversational style responses to user inputs. It also performs extremely
well on a popular standardized assessment used in principles of
economics courses around the country. ChatGPT ranked in the 91st
percentile for Microeconomics and the 99th percentile for
Macroeconomics when compared to students who take the TUCE exam at
the end of their principles course. The emergence of artificial intelligence
presents a significant challenge to traditional assessment methods in
higher education. It is not possible to evaluate students’ intellectual ability
through artificial intelligence, as it only reflects their ability to access
information. An important implication of this finding is that educators will
likely need to redesign their curriculum in at least one of the following
three ways: reintroduce proctored, in-person assessments, augment
learning with chatbots, and/or increase the prevalence of experiential
learning projects that artificial intelligence struggles to replicate well.
JEL Codes: A22, I21
Keywords: TUCE, ChatGPT, assessment, artificial intelligence, academic integrity
1
Corresponding author: Professor of Instruction, Department of Economics, Room 2.102 B, University of
Texas at Austin. Email: wayne.geerling@austin.utexas.edu
2
Professor of Instruction, Department of Economics, Room 3.102 B, University of Texas at Austin. Email:
dmateer@utexas.edu
3
Collegiate Associate Professor of Economics, Department of Economics, Pamplin 3034, Virginia
Polytechnic Institute and State University. Email: jadrian@vt.edu
4
Lecturer, Department of Economics, Cabin 7, T4 Academic Block, OP Jindal Global University. Email:
ndamodaran@jgu.edu.in
Electronic copy available at: https://ssrn.com/abstract=4356034
2
I. Introduction
On November 30, 2022, OpenAI launched ChatGPT (Generative Pre-trained
Transformer), a chatbot that quickly gained attention for—among other things—its
potential to disrupt traditional assessment methods. ChatGPT allows the user to enter a
prompt and receive a unique, detailed response on a wide range of knowledge
domains. The chatbot has already demonstrated its ability to pass a medical licensing
exam (Gilson et al. 2023), the law school admissions test (Choi et al. 2023), and a
common assessment used in introductory physics courses (West, 2023). Can
ChatGPT’s responses surpass human knowledge among undergraduate students
studying economics?
To evaluate this, we use the Test of Understanding in College Economics (TUCE),
published by the National Council on Economic Education (NCEE) and in use across
the United States for more than 50 years. It is one of the most widely used assessment
tools for basic economic knowledge and consists of two versions: one covering
microeconomic concepts and one covering macroeconomic concepts. Each version of
the test has 30 multiple-choice questions with four answer choices each. Both versions
include three questions covering international economics, but the questions are unique
to each version. The TUCE is a norm-referenced measure that can be used to compare
students’ knowledge levels across a wide range of abilities. A score of around 50% is
desirable for research purposes, as it provides appropriate levels of item discrimination
and test reliability. A score of less than 50% does not necessarily indicate a failing level
of knowledge in a course, as instructors may prioritize different concepts from those
tested in the TUCE. By using the TUCE as both a pre- and post-test assessment,
educators can measure perceived learning during the semester (Smith and Wagner,
2018).
ChatGPT operates using algorithms that process data, allowing it to string words
together in response to a prompt. Unlike humans, ChatGPT has access to vast troves of
information available on the internet and uses large language modeling to recognize
patterns in the words in each prompt to mimic human writing when dispensing
knowledge.
5
While ChatGPT is a powerful tool, its abilities are limited to the pool of
information it has been trained on. ChatGPT creates responses to user prompts using a
transformer-based neural network architecture based on the training data to generate
contextually appropriate and coherent responses. ChatGPT doesn’t actually “know”
anything, but instead generates responses based on probabilities assigned to each
word in the vocabulary, which are calculated through a process of iterative training on a
large corpus of text. In this paper, we assess ChatGPT’s performance on the
microeconomics and macroeconomics versions of the TUCE and compare it to the
results of college students.
While not the focus of this paper, we would be remiss if we did not mention the potential
mischief ChatGPT will cause in the short term. To understand the potential impact of
ChatGPT on academic integrity, it is important to acknowledge that cheating is not a
5
The current version of ChatGPT was modeled on data from the internet and other sources, up until the end of
2021.
Electronic copy available at: https://ssrn.com/abstract=4356034
3
new issue, and ChatGPT is simply the latest tool that can be used for a variety of
purposes, ethical considerations aside. Instructors have always been asked to consider
how to effectively assess student learning, but now must contend with ChatGPT’s
capabilities. Instructors are the guardians of the learning environment and chatbots are
“smarter” than most students. The first step instructors should take is to minimize
cheating. Emphasizing proctored assessments is a good way to ensure that students
earn scores that reflect their understanding while reducing academic integrity issues.
Second, and much more importantly in the long run, instructors should develop ways to
utilize chatbots to augment learning. The second step is evolving as we write and is
briefly touched upon in a later section. Economic educators must embrace this
technological disruptor in order to better prepare our students for the jobs of the future.
One way to accomplish both goals is to emphasize experiential learning and authentic
learning projects in which students create their own content. When learning is
meaningful and relevant, students have less incentive to cheat.
6
In the following sections, we briefly review the literature on the role of chatbots in
education and then compare ChatGPT’s performance on the TUCE with the results
achieved by college students after completing a semester of their principles course. We
conclude by offering some practical advice on identifying alternative assessments that
complement ChatGPT as a learning tool.
II. The Role of Chatbots in Education
Chatbots are a technology application that promote interpersonal communication and
learning. They provide information and knowledge through interactive methods and
easy-to-operate interfaces (Hwang & Chang, 2021). With the exponential growth in the
mobile device market over the past decade, the popularity of chatbots is being driven by
their ability to provide an interactive medium through which to learn, one not constrained
by time and place (Zhou et al., 2020). A Georgia Tech computer science professor
made headlines in 2016 for using artificial intelligence to build a virtual teaching
assistant (Goel & Polepeddi, 2018). The chatbot known as “Jill” received very positive
student evaluations, and students only seemed to suspect something was amiss when
their teaching assistant responded quickly at all hours of the day.
Interaction with technologies, either by natural language or speech, is possible because
as technology develops, users become more used to interacting with digital entities.
Chatbots are now used across a wide range of domains, including marketing, customer
service, technical support, education and training (Smutny & Schreiberova, 2020).
Personal digital assistants like Siri (Apple), Alexa (Amazon), Cortana (Microsoft) and
Google Assistant (Google) lie at the forefront of technology in voice recognition and
‘artificial intelligence’ and have effectively replaced much of the day-to-day tasks once
performed by assistants or secretaries (Smutny & Schreiberova, 2020). The use of
digital technologies is now expected by the current generation of young people who
were born into an era of the internet and smartphones (Selwyn, 2021).
6
https://theconversation.com/motivation-is-a-key-factor-in-whether-students-cheat-155274
Electronic copy available at: https://ssrn.com/abstract=4356034
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