Excellent teaching for a course naturally hard.

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Very funny teacher, and easy to relate to. Class instruction very important.

Great stories during class. Very smart guy.

Very hard, very intelligent. I didn't think I was going to pass...however, ended up with a C+. I didn't even have the book and missed a few classes.

I really like this guy. The tests are buggers. I didn't feel belittled asking questions in class. Night class so I was usually one of the few that were awake but I got my money's worth.

This guy is real funny in class. He starts the class real hard but gets easier as the semester goes on. Gives Extra Credit to those who need help. Tests are hard though. Loves class participation.

Great guy, very funny and energetic even for our night class. Way too intelligent for a community college though. First test was hard, but he'll give extra credit to help you pass. Uses real life concepts well to help remember text book concepts.

This guy is great! He's funny, he's intelligent, and he actually can teach. It is a hard class and the tests are essay and his teaching level is up there but don't be wary of the other comments. Take him if you get the chance.

A very charismatic and excellent professor. Extra credit was available in our micro-economics class, so there is some flexibility in grading. I'd say in recent memory Ali is my favorite professor I've had.

Professor Erhan is awesome! Economics is the worst class I've ever had to endure, but if you don't understand something he will stay after class till you do. Yes, he gives essay tests, but he gives you all the questions in advance. He knows his subject and makes you know it to pass his class. Great professor, crappy subject :)

You'll need to really pay attention to the graphs as you're reading through the book, he tests heavilly on them. He is a very fair professor with a real passion for this subject. He was funny and interesting during lecture. You will work hard for your grade, but it is worth it in the end.

I took this class over the summer and I thought this prof was wonderful. He is a little hard, meaning you have to study. However, He made the class very interesting. I think everyone should take his class.

This guy is an awesome teacher. Very knowledgeable in his field. If you are trying to take an easy class this is not the one. If you are trying to learn economics well he is your man.

His class was not the easiest I have taken, but he offered lots of extra credit. And helped me when i needed it. He is Fair and well versed economics.

Mr. Erhan is an awesome teacher, he really knows economics. I didn't even really know what economics was when I signed up for this class, but he made it so interesting that I am taking 252 this semester. No homework, only tests, read the chapters and know graphs... that's it!

Great teacher. He doesn't have the easiest tests but he lets you know what is on the test. No homework at all. Easy class if you show up and pay attention. You might want to study a little bit too.

He is a great prof. So funny and personable and EXTREMELY knowledgeable. It was much more difficult than I had expected, but I was challenged and learned SO much more than the average CC class that I'm used to. His stories are intriguing.

He definately knows what he's talking about. He is straightforward from the start, 4 quizes 25 points each. The quized were short answer. Know the material and your fine. Offered a ton of extra credit oppertunities. He definately made his class not nearly as boring as I thought economics would be.

Great teacher and is very knowledgeable. Quizzes and homework is pretty hard but if you pay attention in class and study you will do good.

If you take notes and pay attention you will do fine. I was really interested in the lectures and I had no interest in econ before taking this class. He tells you exactly what will be on the quiz so you can study. even though it was hard I would take a class with him again because I did learn a lot.

He sure knows his stuff and if you don't take notes, go to every class and study your butt off you'll never make it. People that say he is a bad teacher are just slackers and he can smell BS from a mile away. I went to him for questions and help and he did everything to help me and other students. Best advice...form a study group.

He expects a lot but, overall he is a good teacher. Economics is hard as it is to understand. If, you are lost speak up because he will be willing to discuss and most of my classmates were just as lost as I was.

Dr. Erhan's lectures were very organized, clear cut, and interesting. He's a great professor and a fair grader, and I really enjoyed his class.

The best teacher ever!!!He is very helpful and makes time go by flying. He is fun and is always willing to help. If you want to learn, take him.

You have to attend every class, take notes and study, but he has the most concise presentation that i have ever seen at GRCC. He goes over exactly what you need to learn, never repeats himself and his accent (he is from turkey) is not pronounced. good class.

Tough class! I got an A but I worked my rear off. My advice is TAKE GOOD NOTES! Most of the material on the test comes directly from notes. Tests are all essay & graphs which makes the class so hard. He is a great teacher though! Great sense of humor and is super smart!

This instructor is tough. Attendance is not mandatory, but if you miss a class, you will miss a lot of content. When in class, take LOTS of notes. Create your own study group as the tests are not easy. The positive is that if you do these things, you WILL have a much clearer understanding of macro-economics. This class is not for slackers.

Professor has great insight. The lessons were detailed, and his style of teaching was fun. Every class is important so do not miss a session. He doesn't use the BlackBoard system, but he does make it very easy to track your grade. I recommend him as a teacher because his personality was so much fun!

He is amazingly overqualified to teach this class. If you take good notes, pay attention to the graphs and their applications and do NOT procrastinate on his major paper you will do fine. If it has been awhile since you've taken a basic math course, take those first. He is very good at his job and has very high expectations of his students.

I took these courses because they were required. Because of life situations I had to witdrawl from one and only passed with a C+ on the other. You need to pay 110% attention during his lectures which isnt hard because he is funny and quite entertaining. After leaving his class I had to change my major to finance it was so good.

Very tough teacher, but at the same time an incredibly interesting class. Plan on studying at least 6 hours a week to succeed in this class and especially memorizing any graphs covered in class. Would definitely recommend as long as you have a good work ethic

He offers his students 4 test grades and 5 homework grades & those are the only points possible for the semester. There are 100 points total the whole semester. He will give you a list of what you need to study for the tests. I easily studied 10-15 hours for each test and ended the course with a B. Most challenging class of my associates degree.

If you attend all classes, study A LOT, and do college level work you can do well in his class. Sleep, slack off, and try to skate by and you WILL fail. This is a REAL college professor and he does not cut corners. I loved the class. Would take him for macroeconomics if I could.

Professor Erhan has taught me more than any other professor at GRCC. He is super funny and relates his stories to the course. Do the homework and study hard for the tests. Memorize ALL graphs! I studied almost 15 hours for every test. Took him for EC 251 and 252. You will get your money's worth! I definately would take another one of his clases!

I definitely learned a lot from that class. He is a great prof, not always clear however. Expect a good amount of homework (especially for Spring Break) and be ready to pay attention and to attend every class or you will fail. For sure.

This class was by far my favorite class I have ever taken. I took a summer macro-econ with him before my high school senior year. Because it was an accelerated class, there was no papers - only tests and homework. Write-down everything he says and memorize graphs. I hope to take another class with Dr. Erhan, he is truly a brilliant man.

Dr. Erhan is a pretty funny guy. His knowledge of economics is simply brilliant. However, his lectures move very quickly and you must spend hours outside of class to do well. The textbook is optional, but if you want an A, get it, and do your homework in the business lab. It is definitely possible to succeed, but you must work for it.

Dr. Erhan is very enjoyable. I am not a huge fan of economics, but I thoroughly enjoy his classes. He is very experienced and knowledgeable. After taking Micro with him, I made sure I had him again for Macro. Pay attention to his lectures, they are more important than the book.

Great prof. Really knows what he is talking about.

One of the best professors I have ever had! He definitely knows what he is talking about. He always makes sure you understand the lecture! We also go over a practice test before the day of the test which is really helpful. And always record your lectures!

Dr. Erhan is an amazing professor. The course was tough, by Prof. Erhan made it enjoyable. His lectures are pretty solid to say the least and at the end of each lecture he typically will tell you what's going to be on your test and gives you time to write down what to study. He also will make time for students when requested.

Erhan knows his stuff and wants his students to learn. He's funny and caring. Make plans in advance, and he's flexible if you need to miss a class and make up a test. YOU NEED TO STUDY. He gives 5 tests, 20 pts each, based on their own chapters. The loudest (most annoying) students complained. Study seriously, use tutoring lab and you'll do fine.

Attendance is not mandatory, but he covers alot of material that is used on tests and homework assignments. Lectures and answered class questions were very helpful. You can pass without textbook use, but he refers to it frequently and if you don't understand something during lecture, it is always in the book (which was free anyways).

Great professor, he funny and really knows his stuff! Stick to the study guides and you'll be fine!

He isn't so great about getting back to you on emails or grading in a timely manner. The assignments are easy so that's why I would take it again. A slow grader is always tough. The class is fine for what it is.

Ali was actually one of my favorite professors. For the first time I actually learned something and yes, it was a 3 hr class but you actually learn. If you listen you'll pass... that's it.