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Easy A if you show up to lecture and do a few homework assignments.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2017-05-07 09:47:58 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"0009e664b0cfd615332ad0ce\",\"instructor_id\":\"rmp:2190069\",\"instructor_name\":\"Sheldon (Xiaodong) Du\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTI4MjM2NzUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2190069\"}],\"evidence_count\":2,\"review_ids\":[\"228e82a54d7f5d0e05afa89a\",\"0009e664b0cfd615332ad0ce\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2190069\",\"name\":\"Sheldon (Xiaodong) Du\"},{\"id\":\"rmp:469998\",\"name\":\"Richard Shaten\"}],\"review_year_end\":\"2017\",\"review_year_start\":\"2009\"},\"sentiment\":\"positive\",\"summary\":\"The workload is considered easy, with easy homework and fair exams; attending class and taking good notes is often sufficient for a high grade.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"comment\":\"He teaches through stories from history and current events which helps keep students' attention. Homework is easy and he gives lots of help if you need it. Quizzes are a little hard, but fairly graded. He is always willing to accept an incorrect answer if it has a good argument behind it. I don't like economics, but I liked this class a lot.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2010-04-04 17:44:30 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d64c9fd1006b26f0a77e803b\",\"instructor_id\":\"rmp:469998\",\"instructor_name\":\"Richard Shaten\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTE2OTQ3MDYw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\"},{\"comment\":\"There is no confusion about where he stands politically (liberal atheist). Although I do not agree with most of his rants, when he actually gets to the material he is a good teacher. His exams and homework are fair. The only reason I didn't get an A is because I didn't do one of the assignments worth 5% of my grade.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2013-12-30 22:51:46 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"b1925a8f4ea5cd9588507d14\",\"instructor_id\":\"rmp:469998\",\"instructor_name\":\"Richard Shaten\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTIyNjc2ODMz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\"},{\"comment\":\"Professor Du loves energy economics, but the material can sometimes get a little boring during lecture. Useful real world applications makes it more interesting. Group presentation, two midterms, and an optional final. He's an extremely fair grader. Easy A if you show up to lecture and do a few homework assignments.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2017-05-07 09:47:58 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"0009e664b0cfd615332ad0ce\",\"instructor_id\":\"rmp:2190069\",\"instructor_name\":\"Sheldon (Xiaodong) Du\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTI4MjM2NzUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2190069\"}],\"evidence_count\":3,\"review_ids\":[\"d64c9fd1006b26f0a77e803b\",\"b1925a8f4ea5cd9588507d14\",\"0009e664b0cfd615332ad0ce\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2190069\",\"name\":\"Sheldon (Xiaodong) Du\"},{\"id\":\"rmp:469998\",\"name\":\"Richard Shaten\"}],\"review_year_end\":\"2017\",\"review_year_start\":\"2010\"},\"sentiment\":\"positive\",\"summary\":\"Grading is described as fair and extremely fair, with quizzes and exams being manageable if students prepare, though one review notes quizzes can be a little hard.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_32a01851a4d9ed4a29a4cfa9","course_id":"AAE/ECON/ENVIRST/URBRPL 671","catalog_version_id":"f64ab4c6410a152a68d9d539bafc22fab9d3141a19da00fe52f82f75371e12be","record_version_id":"9ad9c8194b3ef6ff744c55b17fd208f846269b026080f25ecb805c97f7dcddfe","job_id":"enrich-8b774950c2b6adfdc46d1b82","output_id":"3de89bf150c861fb817d015df933a9c9a4335622e305a89810af8d47b7f05b30","section":"student_summary","status":"invalid","value_json":"{\"context_hash\":\"5f50f4569171a42368b4384928d449fcc08d3b13795b18f073cf7f8f549570ed\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"current_instructors\":[],\"difficulty_workload\":[],\"errors\":[{\"error\":\"UnexpectedModelBehavior: Exceeded maximum output retries (2)\",\"instructor_uid\":null,\"mode\":\"overview\"}],\"historical_context\":[{\"citations\":[{\"instructor_name\":\"Richard Shaten\",\"review_date\":\"2009-05-05 14:41:28 +0000 UTC\",\"review_id\":\"228e82a54d7f5d0e05afa89a\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:469998\",\"source_review_id\":\"UmF0aW5nLTE1NzY4NDY5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\",\"type\":\"review\"},{\"instructor_name\":\"Richard Shaten\",\"review_date\":\"2010-04-04 17:44:30 +0000 UTC\",\"review_id\":\"d64c9fd1006b26f0a77e803b\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:469998\",\"source_review_id\":\"UmF0aW5nLTE2OTQ3MDYw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\",\"type\":\"review\"},{\"instructor_name\":\"Richard Shaten\",\"review_date\":\"2013-12-30 22:51:46 +0000 UTC\",\"review_id\":\"b1925a8f4ea5cd9588507d14\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:469998\",\"source_review_id\":\"UmF0aW5nLTIyNjc2ODMz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\",\"type\":\"review\"}],\"text\":\"Historical reviews of Richard Shaten: Richard Shaten is described as clear, concise, and helpful, with fair grading and engaging storytelling. 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and the economics of regulatory and other public policy approaches to the social control of energy.\"}],\"text\":\"Energy market structure, conduct, and performance\"},{\"evidence\":[{\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"field\":\"description\",\"quote\":\"Topics include microeconomic foundations of energy demand and supply; optimal pricing and allocation of energy resources; energy market structure, conduct, and performance; macro linkages of energy and the economy; and the economics of regulatory and other public policy approaches to the social control of energy.\"}],\"text\":\"Macro linkages of energy and the economy\"},{\"evidence\":[{\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"field\":\"description\",\"quote\":\"Topics include microeconomic foundations of energy demand and supply; optimal pricing and allocation of energy resources; energy market structure, conduct, and performance; macro linkages of energy and the economy; and the economics of regulatory and other public policy approaches to the social control of energy.\"}],\"text\":\"Economics of regulatory and public policy approaches to energy\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_32a01851a4d9ed4a29a4cfa9","course_id":"AAE/ECON/ENVIRST/URBRPL 671","catalog_version_id":"f64ab4c6410a152a68d9d539bafc22fab9d3141a19da00fe52f82f75371e12be","record_version_id":"9ad9c8194b3ef6ff744c55b17fd208f846269b026080f25ecb805c97f7dcddfe","job_id":"enrich-f516c4d3e82cfe326b4f5f54","output_id":"d82927262cd117a477af8d22f1f0d46281b9cd1af7cae584edc2a329ea2538b6","section":"student_experience","status":"valid","value_json":"{\"status\":\"supported\",\"themes\":[{\"aspect\":\"teaching_clarity\",\"evidence\":[{\"comment\":\"Professor is smart and knows his stuff well. Other than sometimes diverging to his own little world, he is very clear and concise. I was expecting the course to be deep and hard, but it was really easy. Just go to class and take GOOD notes. Later review your notes and you'll get an A for sure.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2009-05-05 14:41:28 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"228e82a54d7f5d0e05afa89a\",\"instructor_id\":\"rmp:469998\",\"instructor_name\":\"Richard Shaten\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTE1NzY4NDY5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\"},{\"comment\":\"He teaches through stories from history and current events which helps keep students' attention. Homework is easy and he gives lots of help if you need it. Quizzes are a little hard, but fairly graded. He is always willing to accept an incorrect answer if it has a good argument behind it. I don't like economics, but I liked this class a lot.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2010-04-04 17:44:30 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d64c9fd1006b26f0a77e803b\",\"instructor_id\":\"rmp:469998\",\"instructor_name\":\"Richard Shaten\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTE2OTQ3MDYw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\"},{\"comment\":\"Professor Du loves energy economics, but the material can sometimes get a little boring during lecture. Useful real world applications makes it more interesting. Group presentation, two midterms, and an optional final. He's an extremely fair grader. Easy A if you show up to lecture and do a few homework assignments.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2017-05-07 09:47:58 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"0009e664b0cfd615332ad0ce\",\"instructor_id\":\"rmp:2190069\",\"instructor_name\":\"Sheldon (Xiaodong) Du\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTI4MjM2NzUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2190069\"},{\"comment\":\"Too many knowledge points but not well structured\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2022-08-09 03:10:00 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"dc1f68cdbec819254286cd68\",\"instructor_id\":\"rmp:2190069\",\"instructor_name\":\"Sheldon (Xiaodong) Du\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTM2NTczMTU3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2190069\"},{\"comment\":\"He looks so busy but I have no idea what he is doing.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2022-09-06 05:43:44 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"81ece1bff56cd33449a776a5\",\"instructor_id\":\"rmp:2190069\",\"instructor_name\":\"Sheldon (Xiaodong) Du\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTM2NjI5MDIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2190069\"}],\"evidence_count\":5,\"review_ids\":[\"228e82a54d7f5d0e05afa89a\",\"d64c9fd1006b26f0a77e803b\",\"0009e664b0cfd615332ad0ce\",\"dc1f68cdbec819254286cd68\",\"81ece1bff56cd33449a776a5\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2190069\",\"name\":\"Sheldon (Xiaodong) Du\"},{\"id\":\"rmp:469998\",\"name\":\"Richard Shaten\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2009\"},\"sentiment\":\"mixed\",\"summary\":\"Instructors are generally clear and concise, using stories and real-world applications to engage students, though some recent reviews suggest lectures can be boring or poorly structured.\"},{\"aspect\":\"workload\",\"evidence\":[{\"comment\":\"Professor is smart and knows his stuff well. Other than sometimes diverging to his own little world, he is very clear and concise. I was expecting the course to be deep and hard, but it was really easy. Just go to class and take GOOD notes. Later review your notes and you'll get an A for sure.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2009-05-05 14:41:28 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"228e82a54d7f5d0e05afa89a\",\"instructor_id\":\"rmp:469998\",\"instructor_name\":\"Richard Shaten\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTE1NzY4NDY5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\"},{\"comment\":\"Professor Du loves energy economics, but the material can sometimes get a little boring during lecture. Useful real world applications makes it more interesting. Group presentation, two midterms, and an optional final. He's an extremely fair grader. Easy A if you show up to lecture and do a few homework assignments.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2017-05-07 09:47:58 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"0009e664b0cfd615332ad0ce\",\"instructor_id\":\"rmp:2190069\",\"instructor_name\":\"Sheldon (Xiaodong) Du\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTI4MjM2NzUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2190069\"}],\"evidence_count\":2,\"review_ids\":[\"228e82a54d7f5d0e05afa89a\",\"0009e664b0cfd615332ad0ce\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2190069\",\"name\":\"Sheldon (Xiaodong) Du\"},{\"id\":\"rmp:469998\",\"name\":\"Richard Shaten\"}],\"review_year_end\":\"2017\",\"review_year_start\":\"2009\"},\"sentiment\":\"positive\",\"summary\":\"The workload is considered easy, with easy homework and fair exams; attending class and taking good notes is often sufficient for a high grade.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"comment\":\"He teaches through stories from history and current events which helps keep students' attention. Homework is easy and he gives lots of help if you need it. Quizzes are a little hard, but fairly graded. He is always willing to accept an incorrect answer if it has a good argument behind it. I don't like economics, but I liked this class a lot.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2010-04-04 17:44:30 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"d64c9fd1006b26f0a77e803b\",\"instructor_id\":\"rmp:469998\",\"instructor_name\":\"Richard Shaten\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTE2OTQ3MDYw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\"},{\"comment\":\"There is no confusion about where he stands politically (liberal atheist). Although I do not agree with most of his rants, when he actually gets to the material he is a good teacher. His exams and homework are fair. The only reason I didn't get an A is because I didn't do one of the assignments worth 5% of my grade.\",\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"date\":\"2013-12-30 22:51:46 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"b1925a8f4ea5cd9588507d14\",\"instructor_id\":\"rmp:469998\",\"instructor_name\":\"Richard Shaten\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTIyNjc2ODMz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\"},{\"comment\":\"Professor Du loves energy economics, but the material can sometimes get a little boring during lecture. Useful real world applications makes it more interesting. Group presentation, two midterms, and an optional final. He's an extremely fair grader. 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However, some students found his political rants distracting or noted he sometimes diverged from the main topic.\"}],\"message\":null,\"offered\":false,\"profile_hash\":\"e59ddc7389015d0035b68cd195c939d475bf72b959b29cf12eab59b454ccaef1\",\"quick_take\":[{\"citations\":[{\"instructor_name\":\"Richard Shaten\",\"review_date\":\"2009-05-05 14:41:28 +0000 UTC\",\"review_id\":\"228e82a54d7f5d0e05afa89a\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:469998\",\"source_review_id\":\"UmF0aW5nLTE1NzY4NDY5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\",\"type\":\"review\"},{\"instructor_name\":\"Richard Shaten\",\"review_date\":\"2010-04-04 17:44:30 +0000 UTC\",\"review_id\":\"d64c9fd1006b26f0a77e803b\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:469998\",\"source_review_id\":\"UmF0aW5nLTE2OTQ3MDYw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\",\"type\":\"review\"},{\"instructor_name\":\"Richard Shaten\",\"review_date\":\"2013-12-30 22:51:46 +0000 UTC\",\"review_id\":\"b1925a8f4ea5cd9588507d14\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:469998\",\"source_review_id\":\"UmF0aW5nLTIyNjc2ODMz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/469998\",\"type\":\"review\"},{\"instructor_name\":\"Sheldon (Xiaodong) Du\",\"review_date\":\"2017-05-07 09:47:58 +0000 UTC\",\"review_id\":\"0009e664b0cfd615332ad0ce\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2190069\",\"source_review_id\":\"UmF0aW5nLTI4MjM2NzUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2190069\",\"type\":\"review\"},{\"instructor_name\":\"Sheldon (Xiaodong) Du\",\"review_date\":\"2020-02-17 18:24:53 +0000 UTC\",\"review_id\":\"42457b1cc2a6559556f5cb96\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2190069\",\"source_review_id\":\"UmF0aW5nLTMyOTE0NzU0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2190069\",\"type\":\"review\"}],\"text\":\"Historical reviews describe the course as easy with fair grading. Recent feedback on Professor Du notes misleading prerequisites and boring lectures, though some find them clear.\"},{\"citations\":[{\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"8ce117d9-b060-3a80-973b-168299c72217\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1184\",\"type\":\"grade\"},{\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 671\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"8ce117d9-b060-3a80-973b-168299c72217\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1194\",\"type\":\"grade\"},{\"course_id\":\"AAE/ECON/ENVIRST/URBRPL 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Recorded history may be incomplete and does not establish a future schedule.\"}],\"term_id\":\"1272\",\"term_name\":\"2026 Fall\",\"version\":2}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true}]