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Great, I appreciate highly your video

I can confirm how causal models are very difficult to get right in revenue management, even with all the fixings of modern bayesian inference, DAGs and what not!

Hello friends, I have 2 questions: 1/ Why should we make a demand plan for the product family instead of each SKU?, what are the benefits?. 2/ How will product family be understood?. Thank you. Note: My company has 200 SKUs belonging to 3 brands.

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Rick you killed it! Awesome! You sound just like the man himself!

Thank you! I love all his arrangements but they differ slightly from the albums and I could never understand the flow. I’ll be studying this!

one of the best covers of this song i've heard so far. the cuts in the video are noticeable but they don't affect the feel that much

Fantastic bravo maestro!

I just went through all your videos. Thanks for useful content. Why there is no new video and one year passed already since this video was published.

Hey Rick, thx for the vid. You say in the end that there is next video with an easy time series model is coming but I could not find it. Is there one coming soon?

Looking forward to the next share Thank you

Great analysis! These are the hidden gems on youtube that deserve more attention :)

I am a beginner and starting out on my MBA and investing journey. I must say, these are one of the most detailed and well explained videos on the airline industry! You are a great teacher :) Thanks a lot.

Hi Rick, i love your videos! well done! can you explain how bid prices or fare availability changes with different point of sales?

Thank you Sir for doing these valuable video series. my question:In EMSRb calculation how did you assign theta 90 on first value? please explain. thank you!

great ...thank you

Really helpful! Thank you!

Hi Rick, first of all thank you very much for all your videos, they have been very useful to understand the optimization models in RM. I have a question related to the EMSR implementation in Virtual Nesting. Once you have the proteccion levels for each buckets doing EMSR, what do they represent and how do you interpretate those as Bid Prices in the Network.

I've seen your videos and I wanted to thank because it was really useful. I have a Big Data exam scheduled next week and without the help of your videos, I wouldn't understand the whole mechanism of EMSR and little wood's rule. So thank you! Sara from France.

Very nice. I'm trying to learn this song. This is very helpful.

Great Job and welcome back as well. Your video opens my eyes on Airline Revenue Management related so many items and topics. Thank you so much for updating !! I'm an airliner by the way.

Thank you for the great videos Rick! For Fare2, should we be looking for a theta that results in value >= 125? In that case shouldn't it be 52 (which results in 126.64) instead of 52.25 (which results in 124.21)?

Welcome back Rick with your new Airline Revenue Management video, this time about Forecasting. You do a GREAT job combining a bit of theory, with real practice at the airline. Looking forward to seeing the next one.

Great video and looking forward to the next ones. Perhaps this will come up but how do you eliminate the bias from using past data to predict future trends? E.g. you sold 20 Y fares last year in March at $500 but how do you know you cannot sell 30 Y fares this year at $500?

Hi Rick, I'm just in the process of writing my masters thesis on airline demand forecasting and your videos have been great help! I am very eager to see the next videos of the time-series models, do you know approximately when they will go live? Thanks

Thank you for sharing these excellent videos. Is there one demand curve per flight or per fare please? I am thinking price elasticities for Y fares (business type customer) may be different to lower fares (leisure). Also you state price discrimination is different prices for the same product. Why is a flexible seat ticket, where the airline needs to provide additional services to allow changes to the ticket, not seen as a different product compared to a restricted seat ticket?

Thank you for this great video!

thanks for the video Rick. is it fair to say that most of airlines and hotels have a sugestion of overbookings, forecast from a system or what to do with inventory closing fares etc? in my case I look at booking curves in a time series and try to predict doing interpretation myself just as you mentioned on video using past data and adding seasonalities and talking to commercial teams to see new trends. I see it difficult as I know I am not capable of identifying things that a mathematician would add to a program but I do the best I can. I just wondering where I am in a timeline compared to an airline, whether I am still in the 80's.

Thanks for your video. I watched all from the littlewood's model :)

Im currently doing a consultancy report as part of my course for Cathay Pacific, and your videos help me a lot! Thank you very much for them! You definitely deserve more views! xoxo

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Thanks again @RickZeniRMVideos. I need to create simulated customer arrival data to feed my booking system. Do you have any tips or links that could help me about that. You briefly talked about Poisson process that could be used. Best.

Thank you so much for sharing your knowledge sir. Its quite noble of you. I am currently pursuing an MBA in Aviation Management in India and your series has steered my attention towards RM. I am even thinking of doing an IATA distance learning course.

Hi Rick Zeni, Thank you so much. Any idea about how to get sample of data to prove yield management system prototype efficiency? I am actually creating a new yield management company. You can contact me on Linkedin as well kr.linkedin.com/in/dumaysacha . Best.

Nice. I play this song but with hands of stone. I can't seem to get the hands to flow and play softly.

I'm doing my engineering thesis inspired by your videos Rick, thank you so much for explaining it in an easy way!

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Thank you for the video! I am actually working on a research about airlines and i need to understand what constitutes Cost of Sales in the service industry e g airline industry, is it the Operating expenses?

Thank you.

love your videos :)

I have a question about elasticity: You say that if the price goes up with 10% and quantity goes down with 10% revenue stays the same. Imagine price being 100 and quantity being 10, with revenue being 1000. After % in/decreases you will get price 110 and quantity 9, which gives a revenue of 990. So how should I interpret it?

Hi Rick, thanks for making those RM series videos and it has been really helpful and enjoyable to watch. In OD inventory control, I keep hearing hurdle rate and displacement cost, could you clarify the difference between them? If you could share examples on how they are calculated and applied, that would be great. Thanks a lot!

Very helpful videos. Thanks!

Hello, Mr. Rick, Hope you are doing well.with due respect ,I have a question , How could I start my career in airline RM? I am currently working in an airline call center(which is customer service). I have a chance to study ARM. (IATA).Upon completion successfully what is the future in airline. Thank you

Clear and to the point videos and explanations. Such a help coming into exam period. Thank you!!!

Hi Rick. How do you define the remaining demand in revenue management?

How do you distribute OD demand to related itineraries? Do you have any video that can throw some light on this?

Hi Professor, in order to maximize even more. 1) If JFK - MIA does not go through the buckets, could someone just raise the Y fear to 350, or 400 ? 2) if there is demand for intenarary LAX to JFK final destination and BOS to JFK final destination, should we raise buckets just for those origin and keep JFK to MIA lower, eg. last seat from LAX to JFK final destination pay even lower USD 300 and another passenger pays lower on last seat from JFK to MIA pays USD 300, with those 2 passengers doing double dip we make USD 600 with two passengers doing short intineraries, intead of 1 passenger using both flights making USD 400.

Hey Rick! I'm from Brazil and also an MBA student at U of Manchester. I am doing a project on retail Rev Management. Any sources on that particular industry? Thanks for the videos! Regards

Dear Professor Zeni, Thank you for your kind note. I just finished a lecture to 100 students of graduate school of Department of Aeronautics and Astronautics at Cheng Kung University at Tainan Taiwan on 15 APR. I briefly introduced you are an outstanding professional to conduct the training courses for Airline RM. I hope you are able to publish a book for the teachers like me to use as a textbook in the airline management program. For your information, I will conduct an airline management program for graduate school course in this autumn. The contents and your training techniques in the videos in youtube are great! Edwin Lee