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Hirai Lab
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A lab that reads the financial condition and value of companies from their accounting data.
AboutAbout the lab
Envisioning the future of corporate value through accounting data.
The Hirai Lab studies business analysis using companies' accounting information.
Using a wide range of methods such as text mining, the lab investigates how corporate valuation and management accounting should be done.
The lab works in a field called accounting informatics, which combines accounting and data analysis.
Key terms
- Management accounting
- Accounting that compiles financial information such as budgets and costs for managers to use in internal decision-making
- Corporate valuation
- Estimating, as a monetary amount, how much value a company holds as a whole
- Text mining
- A technology that uses computers to find useful information and patterns in text data
NewsLab news
View More ↗ResearchResearch themes
The lab analyzes the actual state of management and the value of companies using corporate accounting information and text data such as securities reports. Using a wide range of methods such as text mining, it investigates how management accounting and corporate valuation should be done.
*Illustrative imageManagement accounting
The lab studies accounting systems that companies use for management decision-making, such as budget control and cost accounting.
*Illustrative imageCorporate valuation
Using data such as stock prices and financial indicators, the lab studies how much value a company holds.
*Illustrative imageAnalysis through text mining
The lab analyzes text data such as securities reports using text mining, and studies how to read the actual state of companies from it.
MembersFaculty
- ProfessorHirohisa Hirai
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
Students who take part in an interview may receive a thank-you gift worth ¥1,000, regardless of what they say.
On a 4-point scale, ● marks where students' answers fall
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Pine log cross-sections, Teutendorf” Radomianin / CC BY-SA 4.0 (cropped)
- Management accounting: “PO boxes at the historic Chico Post Office (2024)-L1005460” Frank Schulenburg / CC BY-SA 4.0 (cropped)
- Corporate valuation: “Iceberg in the Arctic with its underside exposed” AWeith / CC BY-SA 4.0 (cropped)
- Analysis through text mining: “Ammonite fossil imprint” Harshit SR / CC BY-SA 4.0 (cropped)
- Related lab (Munechika Lab): “Prototype kilogram replica” Japs 88 / CC BY-SA 3.0 (cropped)
- Related lab (Tanimizu Lab): “Factory Automation Robotics Palettizing Bread” KUKA Roboter GmbH, Bachmann / Public domain (cropped)
- Related lab (Goto Lab): “Mylar Punched tape” Wtshymanski / CC BY-SA 3.0 (cropped)
- Related lab (Hishiyama Lab): “Go (13×” Dietmar Rabich / CC BY-SA 4.0 (cropped)
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